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Update regex_match requirements.

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Fixes #4215.

[SVN r61976]
This commit is contained in:
John Maddock
2010-05-15 09:15:20 +00:00
parent 05636b5c89
commit 132c39a42c
33 changed files with 348 additions and 199 deletions
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96
doc/html/boost_regex/syntax/perl_syntax.html
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@ -28,7 +28,7 @@
Syntax</a>
</h3></div></div></div>
<a name="boost_regex.syntax.perl_syntax.synopsis"></a><h4>
<a name="id640933"></a>
<a name="id675915"></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="id641081"></a>
<a name="id676062"></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">.[{()\*+?|^$</pre>
<a name="boost_regex.syntax.perl_syntax.wildcard"></a><h5>
<a name="id641105"></a>
<a name="id676086"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.wildcard">Wildcard</a>
</h5>
<p>
@ -73,7 +73,7 @@
</li>
</ul></div>
<a name="boost_regex.syntax.perl_syntax.anchors"></a><h5>
<a name="id641151"></a>
<a name="id676133"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.anchors">Anchors</a>
</h5>
<p>
@ -83,7 +83,7 @@
A '$' character shall match the end of a line.
</p>
<a name="boost_regex.syntax.perl_syntax.marked_sub_expressions"></a><h5>
<a name="id641173"></a>
<a name="id676155"></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="id641199"></a>
<a name="id676181"></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="id641235"></a>
<a name="id676217"></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="id641472"></a>
<a name="id676453"></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="id641531"></a>
<a name="id676512"></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="id641589"></a>
<a name="id676571"></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="id641809"></a>
<a name="id676791"></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="id643312"></a>
<a name="id677140"></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="id643343"></a>
<a name="id677171"></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="id643364"></a>
<a name="id677192"></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="id643397"></a>
<a name="id677225"></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="id643424"></a>
<a name="id677252"></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="id643457"></a>
<a name="id677285"></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="id643519"></a>
<a name="id677347"></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="id643567"></a>
<a name="id677395"></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="id643636"></a>
<a name="id677464"></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="id643657"></a>
<a name="id677485"></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="id644045"></a>
<a name="id677873"></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="id644645"></a>
<a name="id678473"></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="id644934"></a>
<a name="id678762"></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="id644986"></a>
<a name="id678814"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.buffer_boundaries">Buffer boundaries</a>
</h6>
<p>
@ -1048,7 +1048,7 @@
<code class="literal">(?=\n?\z)</code>.
</p>
<a name="boost_regex.syntax.perl_syntax.continuation_escape"></a><h6>
<a name="id645043"></a>
<a name="id678871"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.continuation_escape">Continuation
Escape</a>
</h6>
@ -1060,7 +1060,7 @@
one ended.
</p>
<a name="boost_regex.syntax.perl_syntax.quoting_escape"></a><h6>
<a name="id645065"></a>
<a name="id678893"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.quoting_escape">Quoting escape</a>
</h6>
<p>
@ -1073,7 +1073,7 @@
<span class="special">\*+</span><span class="identifier">aaa</span>
</pre>
<a name="boost_regex.syntax.perl_syntax.unicode_escapes"></a><h6>
<a name="id645112"></a>
<a name="id678940"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.unicode_escapes">Unicode escapes</a>
</h6>
<p>
@ -1083,7 +1083,7 @@
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="id645138"></a>
<a name="id678966"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.matching_line_endings">Matching
Line Endings</a>
</h6>
@ -1092,7 +1092,7 @@
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="id645164"></a>
<a name="id678992"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.keeping_back_some_text">Keeping
back some text</a>
</h6>
@ -1107,7 +1107,7 @@
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="id645194"></a>
<a name="id679022"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.any_other_escape">Any other
escape</a>
</h6>
@ -1116,7 +1116,7 @@
\@ matches a literal '@'.
</p>
<a name="boost_regex.syntax.perl_syntax.perl_extended_patterns"></a><h5>
<a name="id645211"></a>
<a name="id679039"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.perl_extended_patterns">Perl
Extended Patterns</a>
</h5>
@ -1125,7 +1125,7 @@
<code class="literal">(?</code>.
</p>
<a name="boost_regex.syntax.perl_syntax.named_subexpressions"></a><h6>
<a name="id645233"></a>
<a name="id679061"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.named_subexpressions">Named
Subexpressions</a>
</h6>
@ -1147,14 +1147,14 @@
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="id645328"></a>
<a name="id679156"></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="id645350"></a>
<a name="id679178"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.modifiers">Modifiers</a>
</h6>
<p>
@ -1168,7 +1168,7 @@
pattern only.
</p>
<a name="boost_regex.syntax.perl_syntax.non_marking_groups"></a><h6>
<a name="id645385"></a>
<a name="id679213"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.non_marking_groups">Non-marking
groups</a>
</h6>
@ -1177,7 +1177,7 @@
an additional sub-expression.
</p>
<a name="boost_regex.syntax.perl_syntax.branch_reset"></a><h6>
<a name="id645407"></a>
<a name="id679235"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.branch_reset">Branch reset</a>
</h6>
<p>
@ -1199,7 +1199,7 @@
# 1 2 2 3 2 3 4
</pre>
<a name="boost_regex.syntax.perl_syntax.lookahead"></a><h6>
<a name="id645444"></a>
<a name="id679272"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.lookahead">Lookahead</a>
</h6>
<p>
@ -1222,7 +1222,7 @@
could be used to validate the password.
</p>
<a name="boost_regex.syntax.perl_syntax.lookbehind"></a><h6>
<a name="id645997"></a>
<a name="id680994"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.lookbehind">Lookbehind</a>
</h6>
<p>
@ -1236,7 +1236,7 @@
(pattern must be of fixed length).
</p>
<a name="boost_regex.syntax.perl_syntax.independent_sub_expressions"></a><h6>
<a name="id646029"></a>
<a name="id681026"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.independent_sub_expressions">Independent
sub-expressions</a>
</h6>
@ -1249,7 +1249,7 @@
no match is found at all.
</p>
<a name="boost_regex.syntax.perl_syntax.recursive_expressions"></a><h6>
<a name="id646060"></a>
<a name="id681057"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.recursive_expressions">Recursive
Expressions</a>
</h6>
@ -1273,7 +1273,7 @@
to the next sub-expression to be declared.
</p>
<a name="boost_regex.syntax.perl_syntax.conditional_expressions"></a><h6>
<a name="id646158"></a>
<a name="id681154"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.conditional_expressions">Conditional
Expressions</a>
</h6>
@ -1321,7 +1321,7 @@
</li>
</ul></div>
<a name="boost_regex.syntax.perl_syntax.operator_precedence"></a><h5>
<a name="id646299"></a>
<a name="id681296"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.operator_precedence">Operator
precedence</a>
</h5>
@ -1356,7 +1356,7 @@
</li>
</ol></div>
<a name="boost_regex.syntax.perl_syntax.what_gets_matched"></a><h4>
<a name="id646389"></a>
<a name="id681386"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.what_gets_matched">What gets
matched</a>
</h4>
@ -1531,7 +1531,7 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.perl_syntax.variations"></a><h4>
<a name="id646747"></a>
<a name="id681744"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.variations">Variations</a>
</h4>
<p>
@ -1540,7 +1540,7 @@
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="id646794"></a>
<a name="id681790"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.options">Options</a>
</h4>
<p>
@ -1552,7 +1552,7 @@
are to be applied.
</p>
<a name="boost_regex.syntax.perl_syntax.pattern_modifiers"></a><h4>
<a name="id646842"></a>
<a name="id681838"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.pattern_modifiers">Pattern
Modifiers</a>
</h4>
@ -1564,7 +1564,7 @@
and <code class="literal">no_mod_s</code></a>.
</p>
<a name="boost_regex.syntax.perl_syntax.references"></a><h4>
<a name="id646894"></a>
<a name="id681891"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.references">References</a>
</h4>
<p>