Add support for named and/or subexpressions with indexes > 99 in conditional format expressions.

[SVN r52873]

doc/format_boost_syntax.qbk

@@ -33,6 +33,15 @@ order to prevent ambiguities.
 For example, the format string "(?1foo:bar)" will replace each match found with "foo" if
 the sub-expression $1 was matched, and with "bar" otherwise.
 
+For sub-expressions with an index greater than 9, or for access to named sub-expressions use:
+
+?{INDEX}true-expression:false-expression
+
+or
+
+?{NAME}true-expression:false-expression
+
+
 [h4 Placeholder Sequences]
 
 Placeholder sequences specify that some part of what matched the regular expression 
@@ -41,12 +50,24 @@ should be sent to output as follows:
 [table
 [[Placeholder][Meaning]]
 [[$&][Outputs what matched the whole expression.]]
-[[$`][Outputs the text between the end of the last match found (or the 
+[[$MATCH][As $&]]
+[[${^MATCH}][As $&]]
+[[$\`][Outputs the text between the end of the last match found (or the 
       start of the text if no previous match was found), and the start 
       of the current match.]]
+[[$PREMATCH][As $\`]]
+[[${^PREMATCH}][As $\`]]
 [[$'][Outputs all the text following the end of the current match.]]
+[[$POSTMATCH][As $']]
+[[${^POSTMATCH}][As $']]
+[[$+][Outputs what matched the last marked sub-expression in the regular expression.]]
+[[$LAST_PAREN_MATCH][As $+]]
+[[$LAST_SUBMATCH_RESULT][Outputs what matched the last sub-expression to be actually matched.]]
+[[$^N][As $LAST_SUBMATCH_RESULT]]
 [[$$][Outputs a literal '$']]
 [[$n][Outputs what matched the n'th sub-expression.]]
+[[${n}][Outputs what matched the n'th sub-expression.]]
+[[$+{NAME}][Outputs whatever matched the sub-expression named "NAME".]]
 ]
 
 Any $-placeholder sequence not listed above, results in '$' being treated as a literal.

doc/html/boost_regex/background_information/examples.html

@@ -28,7 +28,7 @@
       Example Programs</a>
 </h3></div></div></div>
 <a name="boost_regex.background_information.examples.test_programs"></a><h5>
-<a name="id934640"></a>
+<a name="id915611"></a>
         <a class="link" href="examples.html#boost_regex.background_information.examples.test_programs">Test
         Programs</a>
       </h5>
@@ -107,7 +107,7 @@
         Files: <a href="../../../../test/captures/captures_test.cpp" target="_top">captures_test.cpp</a>.
       </p>
 <a name="boost_regex.background_information.examples.example_programs"></a><h5>
-<a name="id934943"></a>
+<a name="id915915"></a>
         <a class="link" href="examples.html#boost_regex.background_information.examples.example_programs">Example
         programs</a>
       </h5>
@@ -133,7 +133,7 @@
         Files: <a href="../../../../example/timer/regex_timer.cpp" target="_top">regex_timer.cpp</a>.
       </p>
 <a name="boost_regex.background_information.examples.code_snippets"></a><h5>
-<a name="id935002"></a>
+<a name="id915974"></a>
         <a class="link" href="examples.html#boost_regex.background_information.examples.code_snippets">Code
         snippets</a>
       </h5>

doc/html/boost_regex/background_information/history.html

@@ -26,7 +26,7 @@
 <a name="boost_regex.background_information.history"></a><a class="link" href="history.html" title="History"> History</a>
 </h3></div></div></div>
 <a name="boost_regex.background_information.history.boost_1_38"></a><h5>
-<a name="id936853"></a>
+<a name="id917545"></a>
         <a class="link" href="history.html#boost_regex.background_information.history.boost_1_38">Boost
         1.38</a>
       </h5>
@@ -53,7 +53,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.background_information.history.boost_1_34"></a><h5>
-<a name="id936931"></a>
+<a name="id917623"></a>
         <a class="link" href="history.html#boost_regex.background_information.history.boost_1_34">Boost
         1.34</a>
       </h5>
@@ -76,7 +76,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.background_information.history.boost_1_33_1"></a><h5>
-<a name="id936962"></a>
+<a name="id917654"></a>
         <a class="link" href="history.html#boost_regex.background_information.history.boost_1_33_1">Boost
         1.33.1</a>
       </h5>
@@ -146,7 +146,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.background_information.history.boost_1_33_0"></a><h5>
-<a name="id937042"></a>
+<a name="id917733"></a>
         <a class="link" href="history.html#boost_regex.background_information.history.boost_1_33_0">Boost
         1.33.0</a>
       </h5>
@@ -201,7 +201,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.background_information.history.boost_1_32_1"></a><h5>
-<a name="id937100"></a>
+<a name="id917792"></a>
         <a class="link" href="history.html#boost_regex.background_information.history.boost_1_32_1">Boost
         1.32.1</a>
       </h5>
@@ -209,7 +209,7 @@
           Fixed bug in partial matches of bounded repeats of '.'.
         </li></ul></div>
 <a name="boost_regex.background_information.history.boost_1_31_0"></a><h5>
-<a name="id937121"></a>
+<a name="id917812"></a>
         <a class="link" href="history.html#boost_regex.background_information.history.boost_1_31_0">Boost
         1.31.0</a>
       </h5>

doc/html/boost_regex/background_information/locale.html

@@ -58,7 +58,7 @@
         There are three separate localization mechanisms supported by Boost.Regex:
       </p>
 <a name="boost_regex.background_information.locale.win32_localization_model_"></a><h5>
-<a name="id931873"></a>
+<a name="id911221"></a>
         <a class="link" href="locale.html#boost_regex.background_information.locale.win32_localization_model_">Win32
         localization model.</a>
       </h5>
@@ -90,7 +90,7 @@
         are treated as "unknown" graphic characters.
       </p>
 <a name="boost_regex.background_information.locale.c_localization_model_"></a><h5>
-<a name="id932028"></a>
+<a name="id911376"></a>
         <a class="link" href="locale.html#boost_regex.background_information.locale.c_localization_model_">C
         localization model.</a>
       </h5>
@@ -114,7 +114,7 @@
         libraries including version 1 of this library.
       </p>
 <a name="boost_regex.background_information.locale.c___localization_model_"></a><h5>
-<a name="id932096"></a>
+<a name="id911444"></a>
         <a class="link" href="locale.html#boost_regex.background_information.locale.c___localization_model_">C++
         localization model.</a>
       </h5>
@@ -151,7 +151,7 @@
         in your code. The best way to ensure this is to add the #define to <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">/</span><span class="identifier">user</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>.
       </p>
 <a name="boost_regex.background_information.locale.providing_a_message_catalogue"></a><h5>
-<a name="id932398"></a>
+<a name="id911745"></a>
         <a class="link" href="locale.html#boost_regex.background_information.locale.providing_a_message_catalogue">Providing
         a message catalogue</a>
       </h5>

doc/html/boost_regex/background_information/standards.html

@@ -28,7 +28,7 @@
       Conformance</a>
 </h3></div></div></div>
 <a name="boost_regex.background_information.standards.c__"></a><h5>
-<a name="id935994"></a>
+<a name="id916603"></a>
         <a class="link" href="standards.html#boost_regex.background_information.standards.c__">C++</a>
       </h5>
 <p>
@@ -36,7 +36,7 @@
         Report on C++ Library Extensions</a>.
       </p>
 <a name="boost_regex.background_information.standards.ecmascript___javascript"></a><h5>
-<a name="id936016"></a>
+<a name="id916624"></a>
         <a class="link" href="standards.html#boost_regex.background_information.standards.ecmascript___javascript">ECMAScript
         / JavaScript</a>
       </h5>
@@ -49,7 +49,7 @@
         rather than a Unicode escape sequence; use \x{DDDD} for Unicode escape sequences.
       </p>
 <a name="boost_regex.background_information.standards.perl"></a><h5>
-<a name="id936036"></a>
+<a name="id916645"></a>
         <a class="link" href="standards.html#boost_regex.background_information.standards.perl">Perl</a>
       </h5>
 <p>
@@ -62,7 +62,7 @@
         (??{code}) Not implementable in a compiled strongly typed language.
       </p>
 <a name="boost_regex.background_information.standards.posix"></a><h5>
-<a name="id936060"></a>
+<a name="id916669"></a>
         <a class="link" href="standards.html#boost_regex.background_information.standards.posix">POSIX</a>
       </h5>
 <p>
@@ -82,7 +82,7 @@
         a custom traits class.
       </p>
 <a name="boost_regex.background_information.standards.unicode"></a><h5>
-<a name="id936084"></a>
+<a name="id916693"></a>
         <a class="link" href="standards.html#boost_regex.background_information.standards.unicode">Unicode</a>
       </h5>
 <p>

doc/html/boost_regex/captures.html

@@ -35,7 +35,7 @@
       accessed.
     </p>
 <a name="boost_regex.captures.marked_sub_expressions"></a><h5>
-<a name="id778863"></a>
+<a name="id759337"></a>
       <a class="link" href="captures.html#boost_regex.captures.marked_sub_expressions">Marked sub-expressions</a>
     </h5>
 <p>
@@ -218,7 +218,7 @@
       output stream.
     </p>
 <a name="boost_regex.captures.unmatched_sub_expressions"></a><h5>
-<a name="id779319"></a>
+<a name="id759793"></a>
       <a class="link" href="captures.html#boost_regex.captures.unmatched_sub_expressions">Unmatched Sub-Expressions</a>
     </h5>
 <p>
@@ -231,7 +231,7 @@
       you can determine which sub-expressions matched by accessing the <code class="computeroutput"><span class="identifier">sub_match</span><span class="special">::</span><span class="identifier">matched</span></code> data member.
     </p>
 <a name="boost_regex.captures.repeated_captures"></a><h5>
-<a name="id779359"></a>
+<a name="id759832"></a>
       <a class="link" href="captures.html#boost_regex.captures.repeated_captures">Repeated Captures</a>
     </h5>
 <p>

doc/html/boost_regex/format/boost_format_syntax.html

@@ -32,7 +32,7 @@
         '$', '\', '(', ')', '?', and ':'.
       </p>
 <a name="boost_regex.format.boost_format_syntax.grouping"></a><h5>
-<a name="id800525"></a>
+<a name="id779996"></a>
         <a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.grouping">Grouping</a>
       </h5>
 <p>
@@ -40,7 +40,7 @@
         you want a to output literal parenthesis.
       </p>
 <a name="boost_regex.format.boost_format_syntax.conditionals"></a><h5>
-<a name="id800542"></a>
+<a name="id780012"></a>
         <a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.conditionals">Conditionals</a>
       </h5>
 <p>
@@ -65,8 +65,21 @@
         match found with "foo" if the sub-expression $1 was matched, and
         with "bar" otherwise.
       </p>
+<p>
+        For sub-expressions with an index greater than 9, or for access to named
+        sub-expressions use:
+      </p>
+<p>
+        ?{INDEX}true-expression:false-expression
+      </p>
+<p>
+        or
+      </p>
+<p>
+        ?{NAME}true-expression:false-expression
+      </p>
 <a name="boost_regex.format.boost_format_syntax.placeholder_sequences"></a><h5>
-<a name="id800579"></a>
+<a name="id780065"></a>
         <a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.placeholder_sequences">Placeholder
         Sequences</a>
       </h5>
@@ -105,6 +118,30 @@
               </td>
 </tr>
 <tr>
+<td>
+              <p>
+                $MATCH
+              </p>
+              </td>
+<td>
+              <p>
+                As $&amp;
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                ${^MATCH}
+              </p>
+              </td>
+<td>
+              <p>
+                As $&amp;
+              </p>
+              </td>
+</tr>
+<tr>
 <td>
               <p>
                 $`
@@ -119,6 +156,30 @@
               </td>
 </tr>
 <tr>
+<td>
+              <p>
+                $PREMATCH
+              </p>
+              </td>
+<td>
+              <p>
+                As $`
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                ${^PREMATCH}
+              </p>
+              </td>
+<td>
+              <p>
+                As $`
+              </p>
+              </td>
+</tr>
+<tr>
 <td>
               <p>
                 $'
@@ -131,6 +192,79 @@
               </td>
 </tr>
 <tr>
+<td>
+              <p>
+                $POSTMATCH
+              </p>
+              </td>
+<td>
+              <p>
+                As $'
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                ${^POSTMATCH}
+              </p>
+              </td>
+<td>
+              <p>
+                As $'
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                $+
+              </p>
+              </td>
+<td>
+              <p>
+                Outputs what matched the last marked sub-expression in the regular
+                expression.
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                $LAST_PAREN_MATCH
+              </p>
+              </td>
+<td>
+              <p>
+                As $+
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                $LAST_SUBMATCH_RESULT
+              </p>
+              </td>
+<td>
+              <p>
+                Outputs what matched the last sub-expression to be actually matched.
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                $^N
+              </p>
+              </td>
+<td>
+              <p>
+                As $LAST_SUBMATCH_RESULT
+              </p>
+              </td>
+</tr>
+<tr>
 <td>
               <p>
                 $$
@@ -154,6 +288,30 @@
               </p>
               </td>
 </tr>
+<tr>
+<td>
+              <p>
+                ${n}
+              </p>
+              </td>
+<td>
+              <p>
+                Outputs what matched the n'th sub-expression.
+              </p>
+              </td>
+</tr>
+<tr>
+<td>
+              <p>
+                $+{NAME}
+              </p>
+              </td>
+<td>
+              <p>
+                Outputs whatever matched the sub-expression named "NAME".
+              </p>
+              </td>
+</tr>
 </tbody>
 </table></div>
 <p>
@@ -161,7 +319,7 @@
         as a literal.
       </p>
 <a name="boost_regex.format.boost_format_syntax.escape_sequences"></a><h5>
-<a name="id800719"></a>
+<a name="id780408"></a>
         <a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.escape_sequences">Escape
         Sequences</a>
       </h5>

doc/html/boost_regex/install.html

@@ -49,7 +49,7 @@
       file before you can use it, instructions for specific platforms are as follows:
     </p>
 <a name="boost_regex.install.building_with_bjam"></a><h5>
-<a name="id776123"></a>
+<a name="id750437"></a>
       <a class="link" href="install.html#boost_regex.install.building_with_bjam">Building with bjam</a>
     </h5>
 <p>
@@ -58,7 +58,7 @@
       started guide</a> for more information.
     </p>
 <a name="boost_regex.install.building_with_unicode_and_icu_support"></a><h5>
-<a name="id776147"></a>
+<a name="id750461"></a>
       <a class="link" href="install.html#boost_regex.install.building_with_unicode_and_icu_support">Building
       With Unicode and ICU Support</a>
     </h5>
@@ -96,11 +96,11 @@
       ICU you are using is binary compatible with the toolset you use to build Boost.
     </p>
 <a name="boost_regex.install.building_via_makefiles"></a><h5>
-<a name="id776266"></a>
+<a name="id750579"></a>
       <a class="link" href="install.html#boost_regex.install.building_via_makefiles">Building via makefiles</a>
     </h5>
 <a name="boost_regex.install.borland_c___builder_"></a><h6>
-<a name="id776279"></a>
+<a name="id750593"></a>
       <a class="link" href="install.html#boost_regex.install.borland_c___builder_">Borland C++ Builder:</a>
     </h6>
 <div class="itemizedlist"><ul type="disc">
@@ -166,7 +166,7 @@
       a lot in compile times!
     </p>
 <a name="boost_regex.install.microsoft_visual_c___6__7__7_1_and_8"></a><h5>
-<a name="id776518"></a>
+<a name="id750831"></a>
       <a class="link" href="install.html#boost_regex.install.microsoft_visual_c___6__7__7_1_and_8">Microsoft
       Visual C++ 6, 7, 7.1 and 8</a>
     </h5>
@@ -253,7 +253,7 @@
       </li>
 </ul></div>
 <a name="boost_regex.install.gcc_2_95_and_later_"></a><h6>
-<a name="id776717"></a>
+<a name="id757737"></a>
       <a class="link" href="install.html#boost_regex.install.gcc_2_95_and_later_">GCC(2.95 and later)</a>
     </h6>
 <p>
@@ -302,7 +302,7 @@
       see the <a href="../../../../config/index.html" target="_top">config library documentation</a>.
     </p>
 <a name="boost_regex.install.sun_workshop_6_1"></a><h6>
-<a name="id776843"></a>
+<a name="id757863"></a>
       <a class="link" href="install.html#boost_regex.install.sun_workshop_6_1">Sun Workshop 6.1</a>
     </h6>
 <p>
@@ -347,7 +347,7 @@
       will build v9 variants of the regex library named libboost_regex_v9.a etc.
     </p>
 <a name="boost_regex.install.makefiles_for_other_compilers"></a><h6>
-<a name="id776987"></a>
+<a name="id758007"></a>
       <a class="link" href="install.html#boost_regex.install.makefiles_for_other_compilers">Makefiles
       for Other compilers</a>
     </h6>

doc/html/boost_regex/ref/bad_expression.html

@@ -27,7 +27,7 @@
 <a name="boost_regex.ref.bad_expression"></a><a class="link" href="bad_expression.html" title="bad_expression"> bad_expression</a>
 </h3></div></div></div>
 <a name="boost_regex.ref.bad_expression.synopsis"></a><h5>
-<a name="id883609"></a>
+<a name="id864367"></a>
         <a class="link" href="bad_expression.html#boost_regex.ref.bad_expression.synopsis">Synopsis</a>
       </h5>
 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">pattern_except</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
@@ -54,7 +54,7 @@
 <span class="special">}</span> <span class="comment">// namespace boost
 </span></pre>
 <a name="boost_regex.ref.bad_expression.description"></a><h5>
-<a name="id883970"></a>
+<a name="id864728"></a>
         <a class="link" href="bad_expression.html#boost_regex.ref.bad_expression.description">Description</a>
       </h5>
 <pre class="programlisting"><span class="identifier">regex_error</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&amp;</span> <span class="identifier">s</span><span class="special">,</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">error_type</span> <span class="identifier">err</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ptrdiff_t</span> <span class="identifier">pos</span><span class="special">);</span>

doc/html/boost_regex/ref/basic_regex.html

@@ -27,7 +27,7 @@
 <a name="boost_regex.ref.basic_regex"></a><a class="link" href="basic_regex.html" title="basic_regex"> basic_regex</a>
 </h3></div></div></div>
 <a name="boost_regex.ref.basic_regex.synopsis"></a><h5>
-<a name="id801063"></a>
+<a name="id780752"></a>
         <a class="link" href="basic_regex.html#boost_regex.ref.basic_regex.synopsis">Synopsis</a>
       </h5>
 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
@@ -244,7 +244,7 @@
 <span class="special">}</span> <span class="comment">// namespace boost
 </span></pre>
 <a name="boost_regex.ref.basic_regex.description"></a><h5>
-<a name="id805719"></a>
+<a name="id786295"></a>
         <a class="link" href="basic_regex.html#boost_regex.ref.basic_regex.description">Description</a>
       </h5>
 <p>
@@ -327,7 +327,7 @@
         <code class="computeroutput"><span class="identifier">basic_regex</span></code>.
       </p>
 <div class="table">
-<a name="id808722"></a><p class="title"><b>Table<EFBFBD>1.<2E>basic_regex default construction postconditions</b></p>
+<a name="id787660"></a><p class="title"><b>Table<EFBFBD>1.<2E>basic_regex default construction postconditions</b></p>
 <div class="table-contents"><table class="table" summary="basic_regex default construction postconditions">
 <colgroup>
 <col>
@@ -407,7 +407,7 @@
         flags</a> specified in <span class="emphasis"><em>f</em></span>.
       </p>
 <div class="table">
-<a name="id809020"></a><p class="title"><b>Table<EFBFBD>2.<2E>Postconditions for basic_regex construction</b></p>
+<a name="id788504"></a><p class="title"><b>Table<EFBFBD>2.<2E>Postconditions for basic_regex construction</b></p>
 <div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
 <colgroup>
 <col>
@@ -512,7 +512,7 @@
         specified in <span class="emphasis"><em>f</em></span>.
       </p>
 <div class="table">
-<a name="id809433"></a><p class="title"><b>Table<EFBFBD>3.<2E>Postconditions for basic_regex construction</b></p>
+<a name="id788917"></a><p class="title"><b>Table<EFBFBD>3.<2E>Postconditions for basic_regex construction</b></p>
 <div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
 <colgroup>
 <col>
@@ -616,7 +616,7 @@
         according the option flags specified in <span class="emphasis"><em>f</em></span>.
       </p>
 <div class="table">
-<a name="id809837"></a><p class="title"><b>Table<EFBFBD>4.<2E>Postconditions for basic_regex construction</b></p>
+<a name="id789321"></a><p class="title"><b>Table<EFBFBD>4.<2E>Postconditions for basic_regex construction</b></p>
 <div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
 <colgroup>
 <col>
@@ -727,7 +727,7 @@
         flags</a> specified in <span class="emphasis"><em>f</em></span>.
       </p>
 <div class="table">
-<a name="id810313"></a><p class="title"><b>Table<EFBFBD>5.<2E>Postconditions for basic_regex construction</b></p>
+<a name="id789798"></a><p class="title"><b>Table<EFBFBD>5.<2E>Postconditions for basic_regex construction</b></p>
 <div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
 <colgroup>
 <col>
@@ -829,7 +829,7 @@
         flags</a> specified in <span class="emphasis"><em>f</em></span>.
       </p>
 <div class="table">
-<a name="id810676"></a><p class="title"><b>Table<EFBFBD>6.<2E>Postconditions for basic_regex construction</b></p>
+<a name="id790156"></a><p class="title"><b>Table<EFBFBD>6.<2E>Postconditions for basic_regex construction</b></p>
 <div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
 <colgroup>
 <col>
@@ -1043,7 +1043,7 @@
         in <span class="emphasis"><em>f</em></span>.
       </p>
 <div class="table">
-<a name="id812192"></a><p class="title"><b>Table<EFBFBD>7.<2E>Postconditions for basic_regex::assign</b></p>
+<a name="id792836"></a><p class="title"><b>Table<EFBFBD>7.<2E>Postconditions for basic_regex::assign</b></p>
 <div class="table-contents"><table class="table" summary="Postconditions for basic_regex::assign">
 <colgroup>
 <col>

doc/html/boost_regex/ref/concepts/traits_concept.html

@@ -34,7 +34,7 @@
           Boost-specific enhanced interface.
         </p>
 <a name="boost_regex.ref.concepts.traits_concept.minimal_requirements_"></a><h5>
-<a name="id911678"></a>
+<a name="id891729"></a>
           <a class="link" href="traits_concept.html#boost_regex.ref.concepts.traits_concept.minimal_requirements_">Minimal
           requirements.</a>
         </h5>
@@ -381,7 +381,7 @@
 </tbody>
 </table></div>
 <a name="boost_regex.ref.concepts.traits_concept.additional_optional_requirements"></a><h5>
-<a name="id912293"></a>
+<a name="id892345"></a>
           <a class="link" href="traits_concept.html#boost_regex.ref.concepts.traits_concept.additional_optional_requirements">Additional
           Optional Requirements</a>
         </h5>

doc/html/boost_regex/ref/deprecated_interfaces/regex_format.html

@@ -34,7 +34,7 @@
           previous version of Boost.Regex and will not be further updated:
         </p>
 <a name="boost_regex.ref.deprecated_interfaces.regex_format.algorithm_regex_format"></a><h5>
-<a name="id912815"></a>
+<a name="id892867"></a>
           <a class="link" href="regex_format.html#boost_regex.ref.deprecated_interfaces.regex_format.algorithm_regex_format">Algorithm
           regex_format</a>
         </h5>

doc/html/boost_regex/ref/error_type.html

@@ -27,7 +27,7 @@
 <a name="boost_regex.ref.error_type"></a><a class="link" href="error_type.html" title="error_type"> error_type</a>
 </h3></div></div></div>
 <a name="boost_regex.ref.error_type.synopsis"></a><h5>
-<a name="id890553"></a>
+<a name="id871038"></a>
         <a class="link" href="error_type.html#boost_regex.ref.error_type.synopsis">Synopsis</a>
       </h5>
 <p>
@@ -57,7 +57,7 @@
 </span><span class="special">}</span> <span class="comment">// namespace boost
 </span></pre>
 <a name="boost_regex.ref.error_type.description"></a><h5>
-<a name="id890968"></a>
+<a name="id871453"></a>
         <a class="link" href="error_type.html#boost_regex.ref.error_type.description">Description</a>
       </h5>
 <p>

doc/html/boost_regex/ref/match_flag_type.html

@@ -69,7 +69,7 @@
 </span><span class="special">}</span> <span class="comment">// namespace boost
 </span></pre>
 <a name="boost_regex.ref.match_flag_type.description"></a><h5>
-<a name="id890002"></a>
+<a name="id870487"></a>
         <a class="link" href="match_flag_type.html#boost_regex.ref.match_flag_type.description">Description</a>
       </h5>
 <p>

doc/html/boost_regex/ref/match_results.html

@@ -27,7 +27,7 @@
 <a name="boost_regex.ref.match_results"></a><a class="link" href="match_results.html" title="match_results"> match_results</a>
 </h3></div></div></div>
 <a name="boost_regex.ref.match_results.synopsis"></a><h5>
-<a name="id816365"></a>
+<a name="id797010"></a>
         <a class="link" href="match_results.html#boost_regex.ref.match_results.synopsis">Synopsis</a>
       </h5>
 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
@@ -166,7 +166,7 @@
          <span class="identifier">match_results</span><span class="special">&lt;</span><span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">&gt;&amp;</span> <span class="identifier">m2</span><span class="special">);</span>
 </pre>
 <a name="boost_regex.ref.match_results.description"></a><h5>
-<a name="id821170"></a>
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         <a class="link" href="match_results.html#boost_regex.ref.match_results.description">Description</a>
       </h5>
 <p>

doc/html/boost_regex/ref/non_std_strings/icu/unicode_algo.html

@@ -43,7 +43,7 @@
             on to the "real" algorithm.
           </p>
 <a name="boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_match"></a><h5>
-<a name="id892919"></a>
+<a name="id873961"></a>
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           </h5>
 <p>
@@ -89,7 +89,7 @@
 <span class="special">}</span>
 </pre>
 <a name="boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_search"></a><h5>
-<a name="id893433"></a>
+<a name="id874476"></a>
             <a class="link" href="unicode_algo.html#boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_search">u32regex_search</a>
           </h5>
 <p>
@@ -128,7 +128,7 @@
 <span class="special">}</span>
 </pre>
 <a name="boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_replace"></a><h5>
-<a name="id893852"></a>
+<a name="id874895"></a>
             <a class="link" href="unicode_algo.html#boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_replace">u32regex_replace</a>
           </h5>
 <p>

doc/html/boost_regex/ref/non_std_strings/icu/unicode_iter.html

@@ -28,7 +28,7 @@
           Unicode Aware Regex Iterators</a>
 </h5></div></div></div>
 <a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator"></a><h5>
-<a name="id895846"></a>
+<a name="id875213"></a>
             <a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator">u32regex_iterator</a>
           </h5>
 <p>
@@ -126,7 +126,7 @@
             Provided of course that the input is encoded as UTF-8.
           </p>
 <a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator"></a><h5>
-<a name="id897114"></a>
+<a name="id876586"></a>
             <a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator">u32regex_token_iterator</a>
           </h5>
 <p>

doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_algo.html

@@ -34,7 +34,7 @@
             here they are anyway:
           </p>
 <a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match"></a><h5>
-<a name="id901958"></a>
+<a name="id881575"></a>
             <a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match">regex_match</a>
           </h5>
 <p>
@@ -82,7 +82,7 @@
 <span class="special">}</span>
 </pre>
 <a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match__second_overload_"></a><h5>
-<a name="id902615"></a>
+<a name="id882233"></a>
             <a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match__second_overload_">regex_match
             (second overload)</a>
           </h5>
@@ -110,7 +110,7 @@
 <span class="special">}</span>      
 </pre>
 <a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search"></a><h5>
-<a name="id903046"></a>
+<a name="id882664"></a>
             <a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search">regex_search</a>
           </h5>
 <p>
@@ -149,7 +149,7 @@
 <span class="special">}</span>      
 </pre>
 <a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search__second_overload_"></a><h5>
-<a name="id905658"></a>
+<a name="id883199"></a>
             <a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search__second_overload_">regex_search
             (second overload)</a>
           </h5>
@@ -164,7 +164,7 @@
             <span class="special">+</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">GetLength</span><span class="special">(),</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span></code>
           </p>
 <a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_replace"></a><h5>
-<a name="id905949"></a>
+<a name="id885415"></a>
             <a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_replace">regex_replace</a>
           </h5>
 <p>

doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_iter.html

@@ -32,7 +32,7 @@
             an MFC/ATL string to a <a class="link" href="../../regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> or <a class="link" href="../../regex_token_iterator.html" title="regex_token_iterator"><code class="computeroutput"><span class="identifier">regex_token_iterator</span></code></a>:
           </p>
 <a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_iterator_creation_helper"></a><h5>
-<a name="id906719"></a>
+<a name="id886186"></a>
             <a class="link" href="mfc_iter.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_iterator_creation_helper">regex_iterator
             creation helper</a>
           </h5>
@@ -68,7 +68,7 @@
 <span class="special">}</span>
 </pre>
 <a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_token_iterator_creation_helpers"></a><h5>
-<a name="id907267"></a>
+<a name="id886734"></a>
             <a class="link" href="mfc_iter.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_token_iterator_creation_helpers">regex_token_iterator
             creation helpers</a>
           </h5>

doc/html/boost_regex/ref/posix.html

@@ -165,7 +165,7 @@
 <a name="regcomp"></a><p>
       </p>
 <a name="boost_regex.ref.posix.regcomp"></a><h5>
-<a name="id910499"></a>
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       </h5>
 <p>
@@ -379,7 +379,7 @@
 <a name="regerror"></a><p>
       </p>
 <a name="boost_regex.ref.posix.regerror"></a><h5>
-<a name="id911004"></a>
+<a name="id889924"></a>
         <a class="link" href="posix.html#boost_regex.ref.posix.regerror">regerror</a>
       </h5>
 <p>
@@ -467,7 +467,7 @@
 <a name="regexec"></a><p>
       </p>
 <a name="boost_regex.ref.posix.regexec"></a><h5>
-<a name="id911133"></a>
+<a name="id890053"></a>
         <a class="link" href="posix.html#boost_regex.ref.posix.regexec">regexec</a>
       </h5>
 <p>
@@ -537,7 +537,7 @@
 <a name="regfree"></a><p>
       </p>
 <a name="boost_regex.ref.posix.regfree"></a><h5>
-<a name="id911244"></a>
+<a name="id890164"></a>
         <a class="link" href="posix.html#boost_regex.ref.posix.regfree">regfree</a>
       </h5>
 <p>

doc/html/boost_regex/ref/regex_iterator.html

@@ -78,7 +78,7 @@
                           <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span>
 </pre>
 <a name="boost_regex.ref.regex_iterator.description"></a><h5>
-<a name="id868627"></a>
+<a name="id847884"></a>
         <a class="link" href="regex_iterator.html#boost_regex.ref.regex_iterator.description">Description</a>
       </h5>
 <p>
@@ -436,7 +436,7 @@
         <span class="emphasis"><em>m</em></span>.
       </p>
 <a name="boost_regex.ref.regex_iterator.examples"></a><h5>
-<a name="id870980"></a>
+<a name="id851401"></a>
         <a class="link" href="regex_iterator.html#boost_regex.ref.regex_iterator.examples">Examples</a>
       </h5>
 <p>

doc/html/boost_regex/ref/regex_match.html

@@ -80,7 +80,7 @@
                  <span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
 </pre>
 <a name="boost_regex.ref.regex_match.description"></a><h5>
-<a name="id852088"></a>
+<a name="id831481"></a>
         <a class="link" href="regex_match.html#boost_regex.ref.regex_match.description">Description</a>
       </h5>
 <pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">&gt;</span>
@@ -360,7 +360,7 @@
         <span class="bold"><strong>Effects</strong></span>: Returns the result of <code class="computeroutput"><span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">s</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">)</span></code>.
       </p>
 <a name="boost_regex.ref.regex_match.examples"></a><h5>
-<a name="id854459"></a>
+<a name="id834944"></a>
         <a class="link" href="regex_match.html#boost_regex.ref.regex_match.examples">Examples</a>
       </h5>
 <p>

doc/html/boost_regex/ref/regex_replace.html

@@ -53,7 +53,7 @@
                                   <span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
 </pre>
 <a name="boost_regex.ref.regex_replace.description"></a><h5>
-<a name="id860924"></a>
+<a name="id841409"></a>
         <a class="link" href="regex_replace.html#boost_regex.ref.regex_replace.description">Description</a>
       </h5>
 <pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">OutputIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">charT</span><span class="special">&gt;</span>
@@ -163,7 +163,7 @@
         and then returns <code class="computeroutput"><span class="identifier">result</span></code>.
       </p>
 <a name="boost_regex.ref.regex_replace.examples"></a><h5>
-<a name="id864361"></a>
+<a name="id844709"></a>
         <a class="link" href="regex_replace.html#boost_regex.ref.regex_replace.examples">Examples</a>
       </h5>
 <p>

doc/html/boost_regex/ref/regex_search.html

@@ -73,7 +73,7 @@
                   <span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
 </pre>
 <a name="boost_regex.ref.regex_search.description"></a><h5>
-<a name="id857175"></a>
+<a name="id836568"></a>
         <a class="link" href="regex_search.html#boost_regex.ref.regex_search.description">Description</a>
       </h5>
 <pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">&gt;</span>
@@ -355,7 +355,7 @@
         <span class="bold"><strong>Effects</strong></span>: Returns the result of <code class="computeroutput"><span class="identifier">regex_search</span><span class="special">(</span><span class="identifier">s</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">)</span></code>.
       </p>
 <a name="boost_regex.ref.regex_search.examples"></a><h5>
-<a name="id859608"></a>
+<a name="id840093"></a>
         <a class="link" href="regex_search.html#boost_regex.ref.regex_search.examples">Examples</a>
       </h5>
 <p>

doc/html/boost_regex/ref/regex_token_iterator.html

@@ -136,7 +136,7 @@
          <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span>
 </pre>
 <a name="boost_regex.ref.regex_token_iterator.description"></a><h5>
-<a name="id876881"></a>
+<a name="id857588"></a>
         <a class="link" href="regex_token_iterator.html#boost_regex.ref.regex_token_iterator.description">Description</a>
       </h5>
 <a name="boost_regex.regex_token_iterator.construct1"></a><p>
@@ -383,7 +383,7 @@
         <span class="emphasis"><em>m</em></span>.
       </p>
 <a name="boost_regex.ref.regex_token_iterator.examples"></a><h5>
-<a name="id881600"></a>
+<a name="id862359"></a>
         <a class="link" href="regex_token_iterator.html#boost_regex.ref.regex_token_iterator.examples">Examples</a>
       </h5>
 <p>

doc/html/boost_regex/ref/regex_traits.html

@@ -46,7 +46,7 @@
 <span class="special">}</span> <span class="comment">// namespace boost
 </span></pre>
 <a name="boost_regex.ref.regex_traits.description"></a><h5>
-<a name="id891508"></a>
+<a name="id871993"></a>
         <a class="link" href="regex_traits.html#boost_regex.ref.regex_traits.description">Description</a>
       </h5>
 <p>

doc/html/boost_regex/ref/sub_match.html

@@ -329,11 +329,11 @@
 <span class="special">}</span> <span class="comment">// namespace boost
 </span></pre>
 <a name="boost_regex.ref.sub_match.description"></a><h5>
-<a name="id836968"></a>
+<a name="id816430"></a>
         <a class="link" href="sub_match.html#boost_regex.ref.sub_match.description">Description</a>
       </h5>
 <a name="boost_regex.ref.sub_match.members"></a><h6>
-<a name="id836982"></a>
+<a name="id816443"></a>
         <a class="link" href="sub_match.html#boost_regex.ref.sub_match.members">Members</a>
       </h6>
 <a name="boost_regex.sub_match.value_type"></a><p>
@@ -473,7 +473,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.ref.sub_match.sub_match_non_member_operators"></a><h6>
-<a name="id838082"></a>
+<a name="id817543"></a>
         <a class="link" href="sub_match.html#boost_regex.ref.sub_match.sub_match_non_member_operators">sub_match
         non-member operators</a>
       </h6>
@@ -1008,7 +1008,7 @@
         <span class="special">+</span> <span class="identifier">m2</span><span class="special">.</span><span class="identifier">str</span><span class="special">()</span></code>.
       </p>
 <a name="boost_regex.ref.sub_match.stream_inserter"></a><h6>
-<a name="id848983"></a>
+<a name="id829536"></a>
         <a class="link" href="sub_match.html#boost_regex.ref.sub_match.stream_inserter">Stream inserter</a>
       </h6>
 <a name="boost_regex.sub_match.op_stream"></a><p>

doc/html/boost_regex/syntax/basic_extended.html

@@ -28,7 +28,7 @@
       Expression Syntax</a>
 </h3></div></div></div>
 <a name="boost_regex.syntax.basic_extended.synopsis"></a><h4>
-<a name="id789119"></a>
+<a name="id768718"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.synopsis">Synopsis</a>
       </h4>
 <p>
@@ -46,7 +46,7 @@
 <a name="boost_regex.posix_extended_syntax"></a><p>
       </p>
 <a name="boost_regex.syntax.basic_extended.posix_extended_syntax"></a><h4>
-<a name="id789298"></a>
+<a name="id768897"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.posix_extended_syntax">POSIX
         Extended Syntax</a>
       </h4>
@@ -56,7 +56,7 @@
       </p>
 <pre class="programlisting">.[{()\*+?|^$</pre>
 <a name="boost_regex.syntax.basic_extended.wildcard_"></a><h5>
-<a name="id789319"></a>
+<a name="id768919"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.wildcard_">Wildcard:</a>
       </h5>
 <p>
@@ -74,7 +74,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.syntax.basic_extended.anchors_"></a><h5>
-<a name="id789364"></a>
+<a name="id768963"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.anchors_">Anchors:</a>
       </h5>
 <p>
@@ -86,7 +86,7 @@
         of an expression, or the last character of a sub-expression.
       </p>
 <a name="boost_regex.syntax.basic_extended.marked_sub_expressions_"></a><h5>
-<a name="id789386"></a>
+<a name="id768986"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.marked_sub_expressions_">Marked
         sub-expressions:</a>
       </h5>
@@ -98,7 +98,7 @@
         to by a back-reference.
       </p>
 <a name="boost_regex.syntax.basic_extended.repeats_"></a><h5>
-<a name="id789420"></a>
+<a name="id769019"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.repeats_">Repeats:</a>
       </h5>
 <p>
@@ -184,7 +184,7 @@ cab
         operator to be applied to.
       </p>
 <a name="boost_regex.syntax.basic_extended.back_references_"></a><h5>
-<a name="id789726"></a>
+<a name="id769325"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.back_references_">Back references:</a>
       </h5>
 <p>
@@ -214,7 +214,7 @@ cab
         </p></td></tr>
 </table></div>
 <a name="boost_regex.syntax.basic_extended.alternation"></a><h5>
-<a name="id789790"></a>
+<a name="id769389"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.alternation">Alternation</a>
       </h5>
 <p>
@@ -227,7 +227,7 @@ cab
         will match either of "abd" or "abef".
       </p>
 <a name="boost_regex.syntax.basic_extended.character_sets_"></a><h5>
-<a name="id789857"></a>
+<a name="id769456"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_sets_">Character
         sets:</a>
       </h5>
@@ -240,7 +240,7 @@ cab
         A bracket expression may contain any combination of the following:
       </p>
 <a name="boost_regex.syntax.basic_extended.single_characters_"></a><h6>
-<a name="id789877"></a>
+<a name="id769477"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.single_characters_">Single
         characters:</a>
       </h6>
@@ -249,7 +249,7 @@ cab
         or 'c'.
       </p>
 <a name="boost_regex.syntax.basic_extended.character_ranges_"></a><h6>
-<a name="id789908"></a>
+<a name="id769508"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_ranges_">Character
         ranges:</a>
       </h6>
@@ -265,7 +265,7 @@ cab
         the code points of the characters only.
       </p>
 <a name="boost_regex.syntax.basic_extended.negation_"></a><h6>
-<a name="id789970"></a>
+<a name="id769569"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.negation_">Negation:</a>
       </h6>
 <p>
@@ -274,7 +274,7 @@ cab
         range <code class="computeroutput"><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span></code>.
       </p>
 <a name="boost_regex.syntax.basic_extended.character_classes_"></a><h6>
-<a name="id790024"></a>
+<a name="id769623"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_classes_">Character
         classes:</a>
       </h6>
@@ -284,7 +284,7 @@ cab
         <a class="link" href="character_classes.html" title="Character Class Names">character class names</a>.
       </p>
 <a name="boost_regex.syntax.basic_extended.collating_elements_"></a><h6>
-<a name="id790075"></a>
+<a name="id769675"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.collating_elements_">Collating
         Elements:</a>
       </h6>
@@ -312,7 +312,7 @@ cab
         matches a NUL character.
       </p>
 <a name="boost_regex.syntax.basic_extended.equivalence_classes_"></a><h6>
-<a name="id790177"></a>
+<a name="id769777"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.equivalence_classes_">Equivalence
         classes:</a>
       </h6>
@@ -329,7 +329,7 @@ cab
         or even all locales on one platform.
       </p>
 <a name="boost_regex.syntax.basic_extended.combinations_"></a><h6>
-<a name="id790235"></a>
+<a name="id769834"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.combinations_">Combinations:</a>
       </h6>
 <p>
@@ -337,7 +337,7 @@ cab
         <code class="computeroutput"><span class="special">[[:</span><span class="identifier">digit</span><span class="special">:]</span><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span><span class="special">[.</span><span class="identifier">NUL</span><span class="special">.]]</span></code>.
       </p>
 <a name="boost_regex.syntax.basic_extended.escapes"></a><h5>
-<a name="id790288"></a>
+<a name="id769887"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes">Escapes</a>
       </h5>
 <p>
@@ -363,7 +363,7 @@ cab
         extensions are also supported by Boost.Regex:
       </p>
 <a name="boost_regex.syntax.basic_extended.escapes_matching_a_specific_character"></a><h6>
-<a name="id790331"></a>
+<a name="id769930"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes_matching_a_specific_character">Escapes
         matching a specific character</a>
       </h6>
@@ -552,7 +552,7 @@ cab
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_"></a><h6>
-<a name="id790963"></a>
+<a name="id770221"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_">"Single
         character" character classes:</a>
       </h6>
@@ -706,7 +706,7 @@ cab
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.basic_extended.character_properties"></a><h6>
-<a name="id791451"></a>
+<a name="id770709"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_properties">Character
         Properties</a>
       </h6>
@@ -813,7 +813,7 @@ cab
         matches any "digit" character, as does <code class="computeroutput"><span class="special">\</span><span class="identifier">p</span><span class="special">{</span><span class="identifier">digit</span><span class="special">}</span></code>.
       </p>
 <a name="boost_regex.syntax.basic_extended.word_boundaries"></a><h6>
-<a name="id791759"></a>
+<a name="id771097"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.word_boundaries">Word Boundaries</a>
       </h6>
 <p>
@@ -888,7 +888,7 @@ cab
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.basic_extended.buffer_boundaries"></a><h6>
-<a name="id791915"></a>
+<a name="id771253"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.buffer_boundaries">Buffer
         boundaries</a>
       </h6>
@@ -979,7 +979,7 @@ cab
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.basic_extended.continuation_escape"></a><h6>
-<a name="id792099"></a>
+<a name="id771437"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.continuation_escape">Continuation
         Escape</a>
       </h6>
@@ -991,7 +991,7 @@ cab
         match to start where the last one ended.
       </p>
 <a name="boost_regex.syntax.basic_extended.quoting_escape"></a><h6>
-<a name="id792127"></a>
+<a name="id771465"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.quoting_escape">Quoting
         escape</a>
       </h6>
@@ -1005,7 +1005,7 @@ cab
 <span class="special">\*+</span><span class="identifier">aaa</span>
 </pre>
 <a name="boost_regex.syntax.basic_extended.unicode_escapes"></a><h6>
-<a name="id792207"></a>
+<a name="id771545"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.unicode_escapes">Unicode
         escapes</a>
       </h6>
@@ -1056,7 +1056,7 @@ cab
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.basic_extended.any_other_escape"></a><h6>
-<a name="id792309"></a>
+<a name="id771647"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.any_other_escape">Any other
         escape</a>
       </h6>
@@ -1065,7 +1065,7 @@ cab
         \@ matches a literal '@'.
       </p>
 <a name="boost_regex.syntax.basic_extended.operator_precedence"></a><h5>
-<a name="id792326"></a>
+<a name="id771664"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.operator_precedence">Operator
         precedence</a>
       </h5>
@@ -1101,7 +1101,7 @@ cab
 </li>
 </ol></div>
 <a name="boost_regex.syntax.basic_extended.what_gets_matched"></a><h5>
-<a name="id792459"></a>
+<a name="id771797"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.what_gets_matched">What
         Gets Matched</a>
       </h5>
@@ -1111,11 +1111,11 @@ cab
         rule</a>.
       </p>
 <a name="boost_regex.syntax.basic_extended.variations"></a><h4>
-<a name="id792481"></a>
+<a name="id771819"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.variations">Variations</a>
       </h4>
 <a name="boost_regex.syntax.basic_extended.egrep"></a><h5>
-<a name="id792494"></a>
+<a name="id771832"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.egrep">Egrep</a>
       </h5>
 <p>
@@ -1136,7 +1136,7 @@ cab
         used with the -E option.
       </p>
 <a name="boost_regex.syntax.basic_extended.awk"></a><h5>
-<a name="id792596"></a>
+<a name="id771934"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.awk">awk</a>
       </h5>
 <p>
@@ -1150,7 +1150,7 @@ cab
         these by default anyway.
       </p>
 <a name="boost_regex.syntax.basic_extended.options"></a><h4>
-<a name="id792621"></a>
+<a name="id771959"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.options">Options</a>
       </h4>
 <p>
@@ -1163,7 +1163,7 @@ cab
         modify how the case and locale sensitivity are to be applied.
       </p>
 <a name="boost_regex.syntax.basic_extended.references"></a><h4>
-<a name="id792699"></a>
+<a name="id772037"></a>
         <a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.references">References</a>
       </h4>
 <p>

doc/html/boost_regex/syntax/basic_syntax.html

@@ -28,7 +28,7 @@
       Expression Syntax</a>
 </h3></div></div></div>
 <a name="boost_regex.syntax.basic_syntax.synopsis"></a><h4>
-<a name="id792749"></a>
+<a name="id772087"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.synopsis">Synopsis</a>
       </h4>
 <p>
@@ -45,7 +45,7 @@
 <a name="boost_regex.posix_basic"></a><p>
       </p>
 <a name="boost_regex.syntax.basic_syntax.posix_basic_syntax"></a><h4>
-<a name="id792944"></a>
+<a name="id772282"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.posix_basic_syntax">POSIX
         Basic Syntax</a>
       </h4>
@@ -55,7 +55,7 @@
       </p>
 <pre class="programlisting">.[\*^$</pre>
 <a name="boost_regex.syntax.basic_syntax.wildcard_"></a><h5>
-<a name="id792966"></a>
+<a name="id772304"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.wildcard_">Wildcard:</a>
       </h5>
 <p>
@@ -73,7 +73,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.syntax.basic_syntax.anchors_"></a><h5>
-<a name="id793010"></a>
+<a name="id772348"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.anchors_">Anchors:</a>
       </h5>
 <p>
@@ -85,7 +85,7 @@
         of an expression, or the last character of a sub-expression.
       </p>
 <a name="boost_regex.syntax.basic_syntax.marked_sub_expressions_"></a><h5>
-<a name="id793031"></a>
+<a name="id772369"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.marked_sub_expressions_">Marked
         sub-expressions:</a>
       </h5>
@@ -97,7 +97,7 @@
         by a back-reference.
       </p>
 <a name="boost_regex.syntax.basic_syntax.repeats_"></a><h5>
-<a name="id793062"></a>
+<a name="id772400"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.repeats_">Repeats:</a>
       </h5>
 <p>
@@ -155,7 +155,7 @@ aaaa
         to.
       </p>
 <a name="boost_regex.syntax.basic_syntax.back_references_"></a><h5>
-<a name="id793982"></a>
+<a name="id772564"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.back_references_">Back references:</a>
       </h5>
 <p>
@@ -173,7 +173,7 @@ aaaa
       </p>
 <pre class="programlisting">aaabba</pre>
 <a name="boost_regex.syntax.basic_syntax.character_sets_"></a><h5>
-<a name="id794031"></a>
+<a name="id772613"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.character_sets_">Character
         sets:</a>
       </h5>
@@ -186,7 +186,7 @@ aaaa
         A bracket expression may contain any combination of the following:
       </p>
 <a name="boost_regex.syntax.basic_syntax.single_characters_"></a><h6>
-<a name="id794051"></a>
+<a name="id772634"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.single_characters_">Single
         characters:</a>
       </h6>
@@ -195,7 +195,7 @@ aaaa
         or 'c'.
       </p>
 <a name="boost_regex.syntax.basic_syntax.character_ranges_"></a><h6>
-<a name="id794082"></a>
+<a name="id772665"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.character_ranges_">Character
         ranges:</a>
       </h6>
@@ -211,7 +211,7 @@ aaaa
         of the characters only.
       </p>
 <a name="boost_regex.syntax.basic_syntax.negation_"></a><h6>
-<a name="id794139"></a>
+<a name="id772721"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.negation_">Negation:</a>
       </h6>
 <p>
@@ -220,7 +220,7 @@ aaaa
         range a-c.
       </p>
 <a name="boost_regex.syntax.basic_syntax.character_classes_"></a><h6>
-<a name="id794177"></a>
+<a name="id772760"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.character_classes_">Character
         classes:</a>
       </h6>
@@ -230,7 +230,7 @@ aaaa
         <a class="link" href="character_classes.html" title="Character Class Names">character class names</a>.
       </p>
 <a name="boost_regex.syntax.basic_syntax.collating_elements_"></a><h6>
-<a name="id794229"></a>
+<a name="id772811"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.collating_elements_">Collating
         Elements:</a>
       </h6>
@@ -259,7 +259,7 @@ aaaa
         element names</a>.
       </p>
 <a name="boost_regex.syntax.basic_syntax.equivalence_classes_"></a><h6>
-<a name="id794320"></a>
+<a name="id772903"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.equivalence_classes_">Equivalence
         classes:</a>
       </h6>
@@ -276,7 +276,7 @@ aaaa
         or even all locales on one platform.
       </p>
 <a name="boost_regex.syntax.basic_syntax.combinations_"></a><h6>
-<a name="id794378"></a>
+<a name="id772960"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.combinations_">Combinations:</a>
       </h6>
 <p>
@@ -284,7 +284,7 @@ aaaa
         <code class="computeroutput"><span class="special">[[:</span><span class="identifier">digit</span><span class="special">:]</span><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span><span class="special">[.</span><span class="identifier">NUL</span><span class="special">.]].</span></code>
       </p>
 <a name="boost_regex.syntax.basic_syntax.escapes"></a><h5>
-<a name="id794430"></a>
+<a name="id774885"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.escapes">Escapes</a>
       </h5>
 <p>
@@ -299,7 +299,7 @@ aaaa
         will match either a literal '\' or a '^'.
       </p>
 <a name="boost_regex.syntax.basic_syntax.what_gets_matched"></a><h4>
-<a name="id794464"></a>
+<a name="id774919"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.what_gets_matched">What Gets
         Matched</a>
       </h4>
@@ -309,13 +309,13 @@ aaaa
         rule</a>.
       </p>
 <a name="boost_regex.syntax.basic_syntax.variations"></a><h4>
-<a name="id794486"></a>
+<a name="id774941"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.variations">Variations</a>
       </h4>
 <a name="boost_regex.grep_syntax"></a><p>
       </p>
 <a name="boost_regex.syntax.basic_syntax.grep"></a><h5>
-<a name="id794506"></a>
+<a name="id774961"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.grep">Grep</a>
       </h5>
 <p>
@@ -333,7 +333,7 @@ aaaa
         As its name suggests, this behavior is consistent with the Unix utility grep.
       </p>
 <a name="boost_regex.syntax.basic_syntax.emacs"></a><h5>
-<a name="id794601"></a>
+<a name="id775056"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.emacs">emacs</a>
       </h5>
 <p>
@@ -613,7 +613,7 @@ aaaa
         leftmost-longest rule</a>.
       </p>
 <a name="boost_regex.syntax.basic_syntax.options"></a><h4>
-<a name="id795018"></a>
+<a name="id775473"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.options">Options</a>
       </h4>
 <p>
@@ -627,7 +627,7 @@ aaaa
         options</a> modify how the case and locale sensitivity are to be applied.
       </p>
 <a name="boost_regex.syntax.basic_syntax.references"></a><h4>
-<a name="id795125"></a>
+<a name="id775580"></a>
         <a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.references">References</a>
       </h4>
 <p>

doc/html/boost_regex/syntax/perl_syntax.html

@@ -28,7 +28,7 @@
       Syntax</a>
 </h3></div></div></div>
 <a name="boost_regex.syntax.perl_syntax.synopsis"></a><h4>
-<a name="id783363"></a>
+<a name="id763021"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.synopsis">Synopsis</a>
       </h4>
 <p>
@@ -43,7 +43,7 @@
 </span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span> <span class="identifier">e2</span><span class="special">(</span><span class="identifier">my_expression</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span><span class="special">::</span><span class="identifier">perl</span><span class="special">|</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span><span class="special">::</span><span class="identifier">icase</span><span class="special">);</span>
 </pre>
 <a name="boost_regex.syntax.perl_syntax.perl_regular_expression_syntax"></a><h4>
-<a name="id783510"></a>
+<a name="id763169"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.perl_regular_expression_syntax">Perl
         Regular Expression Syntax</a>
       </h4>
@@ -53,7 +53,7 @@
       </p>
 <pre class="programlisting">.[{()\*+?|^$</pre>
 <a name="boost_regex.syntax.perl_syntax.wildcard"></a><h5>
-<a name="id783534"></a>
+<a name="id763193"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.wildcard">Wildcard</a>
       </h5>
 <p>
@@ -73,7 +73,7 @@
         </li>
 </ul></div>
 <a name="boost_regex.syntax.perl_syntax.anchors"></a><h5>
-<a name="id783581"></a>
+<a name="id763239"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.anchors">Anchors</a>
       </h5>
 <p>
@@ -83,7 +83,7 @@
         A '$' character shall match the end of a line.
       </p>
 <a name="boost_regex.syntax.perl_syntax.marked_sub_expressions"></a><h5>
-<a name="id783603"></a>
+<a name="id763261"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.marked_sub_expressions">Marked
         sub-expressions</a>
       </h5>
@@ -94,7 +94,7 @@
         can also repeated, or referred to by a back-reference.
       </p>
 <a name="boost_regex.syntax.perl_syntax.non_marking_grouping"></a><h5>
-<a name="id783629"></a>
+<a name="id763287"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.non_marking_grouping">Non-marking
         grouping</a>
       </h5>
@@ -107,7 +107,7 @@
         without splitting out any separate sub-expressions.
       </p>
 <a name="boost_regex.syntax.perl_syntax.repeats"></a><h5>
-<a name="id783665"></a>
+<a name="id763323"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.repeats">Repeats</a>
       </h5>
 <p>
@@ -188,7 +188,7 @@
         to be applied to.
       </p>
 <a name="boost_regex.syntax.perl_syntax.non_greedy_repeats"></a><h5>
-<a name="id783901"></a>
+<a name="id763560"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.non_greedy_repeats">Non greedy
         repeats</a>
       </h5>
@@ -218,7 +218,7 @@
         while consuming as little input as possible.
       </p>
 <a name="boost_regex.syntax.perl_syntax.pocessive_repeats"></a><h5>
-<a name="id783960"></a>
+<a name="id763619"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.pocessive_repeats">Pocessive
         repeats</a>
       </h5>
@@ -250,7 +250,7 @@
         while giving nothing back.
       </p>
 <a name="boost_regex.syntax.perl_syntax.back_references"></a><h5>
-<a name="id784019"></a>
+<a name="id763677"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.back_references">Back references</a>
       </h5>
 <p>
@@ -360,7 +360,7 @@
         named "two".
       </p>
 <a name="boost_regex.syntax.perl_syntax.alternation"></a><h5>
-<a name="id784239"></a>
+<a name="id763897"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.alternation">Alternation</a>
       </h5>
 <p>
@@ -387,7 +387,7 @@
         <code class="literal">(?:abc)??</code> has exactly the same effect.
       </p>
 <a name="boost_regex.syntax.perl_syntax.character_sets"></a><h5>
-<a name="id784307"></a>
+<a name="id763965"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_sets">Character sets</a>
       </h5>
 <p>
@@ -399,7 +399,7 @@
         A bracket expression may contain any combination of the following:
       </p>
 <a name="boost_regex.syntax.perl_syntax.single_characters"></a><h6>
-<a name="id784612"></a>
+<a name="id763997"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.single_characters">Single characters</a>
       </h6>
 <p>
@@ -407,7 +407,7 @@
         'b', or 'c'.
       </p>
 <a name="boost_regex.syntax.perl_syntax.character_ranges"></a><h6>
-<a name="id784633"></a>
+<a name="id764018"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_ranges">Character
         ranges</a>
       </h6>
@@ -421,7 +421,7 @@
         sensitive.
       </p>
 <a name="boost_regex.syntax.perl_syntax.negation"></a><h6>
-<a name="id784666"></a>
+<a name="id764051"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.negation">Negation</a>
       </h6>
 <p>
@@ -430,7 +430,7 @@
         matches any character that is not in the range <code class="literal">a-c</code>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.character_classes"></a><h6>
-<a name="id784693"></a>
+<a name="id764078"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_classes">Character
         classes</a>
       </h6>
@@ -441,7 +441,7 @@
         class names</a>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.collating_elements"></a><h6>
-<a name="id784726"></a>
+<a name="id764111"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.collating_elements">Collating
         Elements</a>
       </h6>
@@ -463,7 +463,7 @@
         matches a <code class="literal">\0</code> character.
       </p>
 <a name="boost_regex.syntax.perl_syntax.equivalence_classes"></a><h6>
-<a name="id784788"></a>
+<a name="id764173"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.equivalence_classes">Equivalence
         classes</a>
       </h6>
@@ -480,7 +480,7 @@
         or even all locales on one platform.
       </p>
 <a name="boost_regex.syntax.perl_syntax.escaped_characters"></a><h6>
-<a name="id784836"></a>
+<a name="id764221"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.escaped_characters">Escaped
         Characters</a>
       </h6>
@@ -492,7 +492,7 @@
         is <span class="emphasis"><em>not</em></span> a "word" character.
       </p>
 <a name="boost_regex.syntax.perl_syntax.combinations"></a><h6>
-<a name="id784905"></a>
+<a name="id764289"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.combinations">Combinations</a>
       </h6>
 <p>
@@ -500,7 +500,7 @@
         <code class="literal">[[:digit:]a-c[.NUL.]]</code>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.escapes"></a><h5>
-<a name="id784926"></a>
+<a name="id764311"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.escapes">Escapes</a>
       </h5>
 <p>
@@ -692,7 +692,7 @@
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.perl_syntax._quot_single_character_quot__character_classes_"></a><h6>
-<a name="id785314"></a>
+<a name="id766201"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax._quot_single_character_quot__character_classes_">"Single
         character" character classes:</a>
       </h6>
@@ -894,7 +894,7 @@
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.perl_syntax.character_properties"></a><h6>
-<a name="id785914"></a>
+<a name="id766801"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_properties">Character
         Properties</a>
       </h6>
@@ -1002,7 +1002,7 @@
         as does <code class="literal">\p{digit}</code>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.word_boundaries"></a><h6>
-<a name="id786203"></a>
+<a name="id767090"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.word_boundaries">Word Boundaries</a>
       </h6>
 <p>
@@ -1021,7 +1021,7 @@
         <code class="literal">\B</code> Matches only when not at a word boundary.
       </p>
 <a name="boost_regex.syntax.perl_syntax.buffer_boundaries"></a><h6>
-<a name="id786255"></a>
+<a name="id767142"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.buffer_boundaries">Buffer boundaries</a>
       </h6>
 <p>
@@ -1046,7 +1046,7 @@
         to the regular expression <code class="literal">\n*\z</code>
       </p>
 <a name="boost_regex.syntax.perl_syntax.continuation_escape"></a><h6>
-<a name="id786295"></a>
+<a name="id767183"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.continuation_escape">Continuation
         Escape</a>
       </h6>
@@ -1058,7 +1058,7 @@
         one ended.
       </p>
 <a name="boost_regex.syntax.perl_syntax.quoting_escape"></a><h6>
-<a name="id786317"></a>
+<a name="id767204"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.quoting_escape">Quoting escape</a>
       </h6>
 <p>
@@ -1071,7 +1071,7 @@
 <span class="special">\*+</span><span class="identifier">aaa</span>
 </pre>
 <a name="boost_regex.syntax.perl_syntax.unicode_escapes"></a><h6>
-<a name="id786364"></a>
+<a name="id767251"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.unicode_escapes">Unicode escapes</a>
       </h6>
 <p>
@@ -1081,7 +1081,7 @@
         followed by a sequence of zero or more combining characters.
       </p>
 <a name="boost_regex.syntax.perl_syntax.matching_line_endings"></a><h6>
-<a name="id786390"></a>
+<a name="id767277"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.matching_line_endings">Matching
         Line Endings</a>
       </h6>
@@ -1090,7 +1090,7 @@
         sequence, specifically it is identical to the expression <code class="literal">(?&gt;\x0D\x0A?|[\x0A-\x0C\x85\x{2028}\x{2029}])</code>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.keeping_back_some_text"></a><h6>
-<a name="id786417"></a>
+<a name="id767304"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.keeping_back_some_text">Keeping
         back some text</a>
       </h6>
@@ -1105,7 +1105,7 @@
         This can be used to simulate variable width lookbehind assertions.
       </p>
 <a name="boost_regex.syntax.perl_syntax.any_other_escape"></a><h6>
-<a name="id786447"></a>
+<a name="id767334"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.any_other_escape">Any other
         escape</a>
       </h6>
@@ -1114,7 +1114,7 @@
         \@ matches a literal '@'.
       </p>
 <a name="boost_regex.syntax.perl_syntax.perl_extended_patterns"></a><h5>
-<a name="id786463"></a>
+<a name="id767351"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.perl_extended_patterns">Perl
         Extended Patterns</a>
       </h5>
@@ -1123,7 +1123,7 @@
         <code class="literal">(?</code>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.named_subexpressions"></a><h6>
-<a name="id786485"></a>
+<a name="id767372"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.named_subexpressions">Named
         Subexpressions</a>
       </h6>
@@ -1145,14 +1145,14 @@
         format string for search and replace operations, or in the <a class="link" href="../ref/match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> member functions.
       </p>
 <a name="boost_regex.syntax.perl_syntax.comments"></a><h6>
-<a name="id786580"></a>
+<a name="id767467"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.comments">Comments</a>
       </h6>
 <p>
         <code class="literal">(?# ... )</code> is treated as a comment, it's contents are ignored.
       </p>
 <a name="boost_regex.syntax.perl_syntax.modifiers"></a><h6>
-<a name="id786603"></a>
+<a name="id767490"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.modifiers">Modifiers</a>
       </h6>
 <p>
@@ -1166,7 +1166,7 @@
         pattern only.
       </p>
 <a name="boost_regex.syntax.perl_syntax.non_marking_groups"></a><h6>
-<a name="id786637"></a>
+<a name="id767525"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.non_marking_groups">Non-marking
         groups</a>
       </h6>
@@ -1175,7 +1175,7 @@
         an additional sub-expression.
       </p>
 <a name="boost_regex.syntax.perl_syntax.lookahead"></a><h6>
-<a name="id786659"></a>
+<a name="id767546"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.lookahead">Lookahead</a>
       </h6>
 <p>
@@ -1198,7 +1198,7 @@
         could be used to validate the password.
       </p>
 <a name="boost_regex.syntax.perl_syntax.lookbehind"></a><h6>
-<a name="id786733"></a>
+<a name="id767621"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.lookbehind">Lookbehind</a>
       </h6>
 <p>
@@ -1212,7 +1212,7 @@
         (pattern must be of fixed length).
       </p>
 <a name="boost_regex.syntax.perl_syntax.independent_sub_expressions"></a><h6>
-<a name="id786766"></a>
+<a name="id767653"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.independent_sub_expressions">Independent
         sub-expressions</a>
       </h6>
@@ -1225,7 +1225,7 @@
         no match is found at all.
       </p>
 <a name="boost_regex.syntax.perl_syntax.conditional_expressions"></a><h6>
-<a name="id788436"></a>
+<a name="id767684"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.conditional_expressions">Conditional
         Expressions</a>
       </h6>
@@ -1244,7 +1244,7 @@
         sub-expression has been matched).
       </p>
 <a name="boost_regex.syntax.perl_syntax.operator_precedence"></a><h5>
-<a name="id788491"></a>
+<a name="id767739"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.operator_precedence">Operator
         precedence</a>
       </h5>
@@ -1279,7 +1279,7 @@
         </li>
 </ol></div>
 <a name="boost_regex.syntax.perl_syntax.what_gets_matched"></a><h4>
-<a name="id788581"></a>
+<a name="id767829"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.what_gets_matched">What gets
         matched</a>
       </h4>
@@ -1454,7 +1454,7 @@
 </tbody>
 </table></div>
 <a name="boost_regex.syntax.perl_syntax.variations"></a><h4>
-<a name="id788939"></a>
+<a name="id768187"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.variations">Variations</a>
       </h4>
 <p>
@@ -1463,7 +1463,7 @@
         and <code class="literal">JScript</code></a> are all synonyms for <code class="literal">perl</code>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.options"></a><h4>
-<a name="id788986"></a>
+<a name="id768585"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.options">Options</a>
       </h4>
 <p>
@@ -1475,7 +1475,7 @@
         are to be applied.
       </p>
 <a name="boost_regex.syntax.perl_syntax.pattern_modifiers"></a><h4>
-<a name="id789034"></a>
+<a name="id768633"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.pattern_modifiers">Pattern
         Modifiers</a>
       </h4>
@@ -1487,7 +1487,7 @@
         and <code class="literal">no_mod_s</code></a>.
       </p>
 <a name="boost_regex.syntax.perl_syntax.references"></a><h4>
-<a name="id789086"></a>
+<a name="id768686"></a>
         <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.references">References</a>
       </h4>
 <p>

doc/html/boost_regex/unicode.html

@@ -30,7 +30,7 @@
       There are two ways to use Boost.Regex with Unicode strings:
     </p>
 <a name="boost_regex.unicode.rely_on_wchar_t"></a><h5>
-<a name="id778151"></a>
+<a name="id759171"></a>
       <a class="link" href="unicode.html#boost_regex.unicode.rely_on_wchar_t">Rely on wchar_t</a>
     </h5>
 <p>
@@ -56,7 +56,7 @@
       </li>
 </ul></div>
 <a name="boost_regex.unicode.use_a_unicode_aware_regular_expression_type_"></a><h5>
-<a name="id778268"></a>
+<a name="id759289"></a>
       <a class="link" href="unicode.html#boost_regex.unicode.use_a_unicode_aware_regular_expression_type_">Use
       a Unicode Aware Regular Expression Type.</a>
     </h5>

doc/html/index.html

@@ -28,7 +28,7 @@
 </h3></div></div></div>
 <div><p class="copyright">Copyright <20> 1998 -2007 John Maddock</p></div>
 <div><div class="legalnotice">
-<a name="id767848"></a><p>
+<a name="id749918"></a><p>
         Distributed under the Boost Software License, Version 1.0. (See accompanying
         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
       </p>
@@ -196,7 +196,7 @@
   </p>
 </div>
 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: May 06, 2009 at 16:25:16 GMT</small></p></td>
+<td align="left"><p><small>Last revised: May 09, 2009 at 16:16:54 GMT</small></p></td>
 <td align="right"><div class="copyright-footer"></div></td>
 </tr></table>
 <hr>

include/boost/regex/v4/regex_format.hpp

@@ -581,9 +581,35 @@ void basic_regex_formatter<OutputIterator, Results, traits>::format_conditional(
       put(static_cast<char_type>('?'));
       return;
    }
+   int v;
+   if(*m_position == '{')
+   {
+      const char_type* base = m_position;
+      ++m_position;
+      v = m_traits.toi(m_position, m_end, 10);
+      if(v < 0)
+      {
+         // Try a named subexpression:
+         while((m_position != m_end) && (*m_position != '}'))
+            ++m_position;
+         v = m_results.named_subexpression_index(base + 1, m_position);
+      }
+      if((v < 0) || (*m_position != '}'))
+      {
+         m_position = base;
+         // oops trailing '?':
+         put(static_cast<char_type>('?'));
+         return;
+      }
+      // Skip trailing '}':
+      ++m_position;
+   }
+   else
+   {
       std::ptrdiff_t len = ::boost::re_detail::distance(m_position, m_end);
       len = (std::min)(static_cast<std::ptrdiff_t>(2), len);
-   int v = m_traits.toi(m_position, m_position + len, 10);
+      v = m_traits.toi(m_position, m_position + len, 10);
+   }
    if(v < 0)
    {
       // oops not a number:

test/regress/test_replace.cpp

@@ -88,6 +88,16 @@ void test_replace()
    TEST_REGEX_REPLACE("(a+)|(b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "?1A:B", "...AB,,,AB*AB?");
    TEST_REGEX_REPLACE("(a+)|(b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "(?1A:B)C", "...ACBC,,,ACBC*ACBC?");
    TEST_REGEX_REPLACE("(a+)|(b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "?1:B", "...B,,,B*B?");
+
+   TEST_REGEX_REPLACE("(a+)|(b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "(?{1}A)(?{2}B)", "...AB,,,AB*AB?");
+   TEST_REGEX_REPLACE("(a+)|(b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "?{1}A:B", "...AB,,,AB*AB?");
+   TEST_REGEX_REPLACE("(a+)|(b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "(?{1}A:B)C", "...ACBC,,,ACBC*ACBC?");
+   TEST_REGEX_REPLACE("(a+)|(b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "?{1}:B", "...B,,,B*B?");
+   TEST_REGEX_REPLACE("(?<one>a+)|(?<two>b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "(?{one}A)(?{two}B)", "...AB,,,AB*AB?");
+   TEST_REGEX_REPLACE("(?<one>a+)|(?<two>b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "?{one}A:B", "...AB,,,AB*AB?");
+   TEST_REGEX_REPLACE("(?<one>a+)|(?<two>b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "(?{one}A:B)C", "...ACBC,,,ACBC*ACBC?");
+   TEST_REGEX_REPLACE("(?<one>a+)|(?<two>b+)", perl, "...aaabb,,,ab*abbb?", match_default|format_all, "?{one}:B", "...B,,,B*B?");
+
    // move to copying unmatched data, but replace first occurance only:
    TEST_REGEX_REPLACE("a+", perl, "...aaa,,,", match_default|format_all|format_first_only, "bbb", "...bbb,,,");
    TEST_REGEX_REPLACE("a+(b+)", perl, "...aaabb,,,", match_default|format_all|format_first_only, "$1", "...bb,,,");