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107 lines
5.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<title>Boost.Regex: History</title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link rel="stylesheet" type="text/css" href="../../../boost.css">
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</head>
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<body>
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<P>
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<TABLE id="Table1" cellSpacing="1" cellPadding="1" width="100%" border="0">
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<TR>
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<td valign="top" width="300">
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<h3><a href="../../../index.htm"><img height="86" width="277" alt="C++ Boost" src="../../../boost.png" border="0"></a></h3>
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</td>
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<TD width="353">
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<H1 align="center">Boost.Regex</H1>
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<H2 align="center">History</H2>
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</TD>
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<td width="50">
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<h3><a href="index.html"><img height="45" width="43" alt="Boost.Regex Index" src="uarrow.gif" border="0"></a></h3>
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</td>
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</TR>
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</TABLE>
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</P>
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<HR>
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<p></p>
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<P>Boost 1.33.0.</P>
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<UL>
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<LI>
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Completely rewritten expression parsing code, and traits class support; now
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conforms to the standardization proposal.
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<LI>
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POSIX-extended and POSIX-basic regular expressions now enforce the letter of
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the POSIX standard much more closely than before.
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<LI>
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Added <A href="syntax_perl.html#Perl">support for (?imsx-imsx) constructs</A>.
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<LI>
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Added <A href="syntax_perl.html#Perl">support for lookbehind expressions
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(?<=positive-lookbehind) and (?<!negative-lookbehind)</A>.
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<LI>
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Added <A href="syntax_perl.html#Perl">support for conditional expressions
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(?(assertion)true-expresion|false-expression)</A>.
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<LI>
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Added <A href="mfc_strings.html">MFC/ATL string wrappers</A>.
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<LI>
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Added <A href="unicode.html">Unicode support; based on ICU</A>.
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<LI>
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Changed newline support to recognise \f as a line separator (all character
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types), and \x85 as a line separator for wide characters / Unicode only.
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<LI>
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Added a new format flag <A href="match_flag_type.html"><code>format_literal</code></A> that
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treats the replace string as a literal, rather than a Perl or Sed style <A href="format_syntax.html">
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format string</A>.
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<LI>
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Errors are now reported by throwing exceptions of type <A href="bad_expression.html">
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<code>regex_error</code></A>. The types used previously - <code>bad_expression</code> and
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<code>bad_pattern</code> - are now just typedefs for <code>regex_error</code>. Type
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<code>regex_error</code> has a couple of new members: <code>code()</code> to report an error code rather
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than a string, and <code>position()</code> to report where in the expression the error
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occured.</LI></UL>
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<P>Boost 1.32.1.</P>
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<UL>
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<LI>
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Fixed bug in partial matches of bounded repeats of '.'.</LI></UL>
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<P>Boost 1.31.0.</P>
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<UL>
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<LI>
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Completely rewritten pattern matching code - it is now up to 10 times faster
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than before.
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<LI>
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Reorganized documentation.
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<LI>
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Deprecated all interfaces that are not part of the <A href="http://anubis.dkuug.dk/jtc1/sc22/wg21/docs/papers/2003/n1429.htm">
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regular expression standardization proposal</A>.
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<LI>
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Added <A href="regex_iterator.html">regex_iterator</A> and <A href="regex_token_iterator.html">
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regex_token_iterator</A>
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.
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<LI>
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Added support for Perl style independent sub-expressions.
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<LI>
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Added non-member operators to the<A href="sub_match.html"> sub_match class</A>,
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so that you can compare sub_match's with strings, or add them to a string to
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produce a new string.
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<LI>
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Added experimental support for <A href="captures.html">extended capture
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information</A>.
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<LI>
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Changed the match flags so that they are a distinct type (not an integer), if
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you try to pass the match flags as an integer rather than<A href="match_flag_type.html">
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match_flag_type</A> to the regex algorithms then you will now get a compiler
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error.</LI></UL>
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<P>
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<HR>
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<P></P>
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<p>Revised
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<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
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28 June 2004
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<!--webbot bot="Timestamp" endspan i-checksum="39359" --></p>
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<p><i><EFBFBD> Copyright John Maddock 1998-
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<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%Y" startspan --> 2004<!--webbot bot="Timestamp" endspan i-checksum="39359" --></i></p>
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<P><I>Use, modification and distribution are subject to the Boost Software License,
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Version 1.0. (See accompanying file <A href="../../../LICENSE_1_0.txt">LICENSE_1_0.txt</A>
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or copy at <A href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>)</I></P>
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</body>
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</html>
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