Imported Upstream version 1.57.0
[platform/upstream/boost.git] / libs / regex / doc / html / boost_regex / syntax / basic_extended.html
index aa16d63..3b637f9 100644 (file)
@@ -3,8 +3,8 @@
 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
 <title>POSIX Extended Regular Expression Syntax</title>
 <link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
-<link rel="home" href="../../index.html" title="Boost.Regex">
+<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
+<link rel="home" href="../../index.html" title="Boost.Regex 5.0.0">
 <link rel="up" href="../syntax.html" title="Regular Expression Syntax">
 <link rel="prev" href="perl_syntax.html" title="Perl Regular Expression Syntax">
 <link rel="next" href="basic_syntax.html" title="POSIX Basic Regular Expression Syntax">
 <div class="spirit-nav">
 <a accesskey="p" href="perl_syntax.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../syntax.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="basic_syntax.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
 </div>
-<div class="section boost_regex_syntax_basic_extended">
+<div class="section">
 <div class="titlepage"><div><div><h3 class="title">
 <a name="boost_regex.syntax.basic_extended"></a><a class="link" href="basic_extended.html" title="POSIX Extended Regular Expression Syntax">POSIX Extended Regular
       Expression Syntax</a>
 </h3></div></div></div>
 <h4>
 <a name="boost_regex.syntax.basic_extended.h0"></a>
-        <span><a name="boost_regex.syntax.basic_extended.synopsis"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.synopsis">Synopsis</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.synopsis"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.synopsis">Synopsis</a>
       </h4>
 <p>
         The POSIX-Extended regular expression syntax is supported by the POSIX C
@@ -45,7 +45,7 @@
 </pre>
 <a name="boost_regex.posix_extended_syntax"></a><h4>
 <a name="boost_regex.syntax.basic_extended.h1"></a>
-        <span><a name="boost_regex.syntax.basic_extended.posix_extended_syntax"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.posix_extended_syntax">POSIX Extended
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.posix_extended_syntax"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.posix_extended_syntax">POSIX Extended
         Syntax</a>
       </h4>
 <p>
 <pre class="programlisting">.[{}()\*+?|^$</pre>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h2"></a>
-        <span><a name="boost_regex.syntax.basic_extended.wildcard_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.wildcard_">Wildcard:</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.wildcard_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.wildcard_">Wildcard:</a>
       </h5>
 <p>
         The single character '.' when used outside of a character set will match
         any single character except:
       </p>
-<div class="itemizedlist"><ul class="itemizedlist" type="disc">
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
 <li class="listitem">
             The NULL character when the flag <code class="computeroutput"><span class="identifier">match_no_dot_null</span></code>
             is passed to the matching algorithms.
@@ -73,7 +73,7 @@
 </ul></div>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h3"></a>
-        <span><a name="boost_regex.syntax.basic_extended.anchors_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.anchors_">Anchors:</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.anchors_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.anchors_">Anchors:</a>
       </h5>
 <p>
         A '^' character shall match the start of a line when used as the first character
@@ -85,7 +85,7 @@
       </p>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h4"></a>
-        <span><a name="boost_regex.syntax.basic_extended.marked_sub_expressions_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.marked_sub_expressions_">Marked
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.marked_sub_expressions_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.marked_sub_expressions_">Marked
         sub-expressions:</a>
       </h5>
 <p>
@@ -97,7 +97,7 @@
       </p>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h5"></a>
-        <span><a name="boost_regex.syntax.basic_extended.repeats_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.repeats_">Repeats:</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.repeats_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.repeats_">Repeats:</a>
       </h5>
 <p>
         Any atom (a single character, a marked sub-expression, or a character class)
@@ -183,7 +183,7 @@ cab
       </p>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h6"></a>
-        <span><a name="boost_regex.syntax.basic_extended.back_references_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.back_references_">Back
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.back_references_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.back_references_">Back
         references:</a>
       </h5>
 <p>
@@ -214,7 +214,7 @@ cab
 </table></div>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h7"></a>
-        <span><a name="boost_regex.syntax.basic_extended.alternation"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.alternation">Alternation</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.alternation"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.alternation">Alternation</a>
       </h5>
 <p>
         The <code class="computeroutput"><span class="special">|</span></code> operator will match either
@@ -227,7 +227,7 @@ cab
       </p>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h8"></a>
-        <span><a name="boost_regex.syntax.basic_extended.character_sets_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_sets_">Character
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.character_sets_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_sets_">Character
         sets:</a>
       </h5>
 <p>
@@ -240,7 +240,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h9"></a>
-        <span><a name="boost_regex.syntax.basic_extended.single_characters_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.single_characters_">Single characters:</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.single_characters_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.single_characters_">Single characters:</a>
       </h6>
 <p>
         For example <code class="computeroutput"><span class="special">[</span><span class="identifier">abc</span><span class="special">]</span></code>, will match any of the characters 'a', 'b',
@@ -248,7 +248,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h10"></a>
-        <span><a name="boost_regex.syntax.basic_extended.character_ranges_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_ranges_">Character
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.character_ranges_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_ranges_">Character
         ranges:</a>
       </h6>
 <p>
@@ -264,7 +264,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h11"></a>
-        <span><a name="boost_regex.syntax.basic_extended.negation_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.negation_">Negation:</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.negation_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.negation_">Negation:</a>
       </h6>
 <p>
         If the bracket-expression begins with the ^ character, then it matches the
@@ -273,7 +273,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h12"></a>
-        <span><a name="boost_regex.syntax.basic_extended.character_classes_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_classes_">Character
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.character_classes_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_classes_">Character
         classes:</a>
       </h6>
 <p>
@@ -283,7 +283,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h13"></a>
-        <span><a name="boost_regex.syntax.basic_extended.collating_elements_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.collating_elements_">Collating
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.collating_elements_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.collating_elements_">Collating
         Elements:</a>
       </h6>
 <p>
@@ -311,13 +311,13 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h14"></a>
-        <span><a name="boost_regex.syntax.basic_extended.equivalence_classes_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.equivalence_classes_">Equivalence
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.equivalence_classes_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.equivalence_classes_">Equivalence
         classes:</a>
       </h6>
 <p>
         An expression of the form <code class="computeroutput"><span class="special">[[=</span><span class="identifier">col</span><span class="special">=]]</span></code>,
         matches any character or collating element whose primary sort key is the
-        same as that for collating element <span class="emphasis"><em>col</em></span>, as with colating
+        same as that for collating element <span class="emphasis"><em>col</em></span>, as with collating
         elements the name <span class="emphasis"><em>col</em></span> may be a <a class="link" href="collating_names.html" title="Collating Names">symbolic
         name</a>. A primary sort key is one that ignores case, accentation, or
         locale-specific tailorings; so for example <code class="computeroutput"><span class="special">[[=</span><span class="identifier">a</span><span class="special">=]]</span></code> matches
@@ -328,7 +328,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h15"></a>
-        <span><a name="boost_regex.syntax.basic_extended.combinations_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.combinations_">Combinations:</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.combinations_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.combinations_">Combinations:</a>
       </h6>
 <p>
         All of the above can be combined in one character set declaration, for example:
@@ -336,13 +336,13 @@ cab
       </p>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h16"></a>
-        <span><a name="boost_regex.syntax.basic_extended.escapes"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes">Escapes</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.escapes"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes">Escapes</a>
       </h5>
 <p>
         The POSIX standard defines no escape sequences for POSIX-Extended regular
         expressions, except that:
       </p>
-<div class="itemizedlist"><ul class="itemizedlist" type="disc">
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
 <li class="listitem">
             Any special character preceded by an escape shall match itself.
           </li>
@@ -362,7 +362,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h17"></a>
-        <span><a name="boost_regex.syntax.basic_extended.escapes_matching_a_specific_character"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes_matching_a_specific_character">Escapes
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.escapes_matching_a_specific_character"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes_matching_a_specific_character">Escapes
         matching a specific character</a>
       </h6>
 <p>
@@ -542,7 +542,7 @@ cab
               </td>
 <td>
                 <p>
-                  Matches the single character which has the symbolic name name.
+                  Matches the single character which has the symbolic name <span class="emphasis"><em>Name</em></span>.
                   For example <code class="computeroutput"><span class="special">\\</span><span class="identifier">N</span><span class="special">{</span><span class="identifier">newline</span><span class="special">}</span></code> matches the single character \n.
                 </p>
               </td>
@@ -551,7 +551,7 @@ cab
 </table></div>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h18"></a>
-        <span><a name="boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_">"Single
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_">"Single
         character" character classes:</a>
       </h6>
 <p>
@@ -705,7 +705,7 @@ cab
 </table></div>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h19"></a>
-        <span><a name="boost_regex.syntax.basic_extended.character_properties"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_properties">Character
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.character_properties"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_properties">Character
         Properties</a>
       </h6>
 <p>
@@ -812,7 +812,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h20"></a>
-        <span><a name="boost_regex.syntax.basic_extended.word_boundaries"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.word_boundaries">Word
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.word_boundaries"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.word_boundaries">Word
         Boundaries</a>
       </h6>
 <p>
@@ -888,7 +888,7 @@ cab
 </table></div>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h21"></a>
-        <span><a name="boost_regex.syntax.basic_extended.buffer_boundaries"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.buffer_boundaries">Buffer
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.buffer_boundaries"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.buffer_boundaries">Buffer
         boundaries</a>
       </h6>
 <p>
@@ -979,7 +979,7 @@ cab
 </table></div>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h22"></a>
-        <span><a name="boost_regex.syntax.basic_extended.continuation_escape"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.continuation_escape">Continuation
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.continuation_escape"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.continuation_escape">Continuation
         Escape</a>
       </h6>
 <p>
@@ -991,7 +991,7 @@ cab
       </p>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h23"></a>
-        <span><a name="boost_regex.syntax.basic_extended.quoting_escape"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.quoting_escape">Quoting
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.quoting_escape"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.quoting_escape">Quoting
         escape</a>
       </h6>
 <p>
@@ -1005,7 +1005,7 @@ cab
 </pre>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h24"></a>
-        <span><a name="boost_regex.syntax.basic_extended.unicode_escapes"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.unicode_escapes">Unicode
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.unicode_escapes"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.unicode_escapes">Unicode
         escapes</a>
       </h6>
 <div class="informaltable"><table class="table">
@@ -1056,7 +1056,7 @@ cab
 </table></div>
 <h6>
 <a name="boost_regex.syntax.basic_extended.h25"></a>
-        <span><a name="boost_regex.syntax.basic_extended.any_other_escape"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.any_other_escape">Any
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.any_other_escape"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.any_other_escape">Any
         other escape</a>
       </h6>
 <p>
@@ -1065,7 +1065,7 @@ cab
       </p>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h26"></a>
-        <span><a name="boost_regex.syntax.basic_extended.operator_precedence"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.operator_precedence">Operator
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.operator_precedence"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.operator_precedence">Operator
         precedence</a>
       </h5>
 <p>
@@ -1102,7 +1102,7 @@ cab
 </ol></div>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h27"></a>
-        <span><a name="boost_regex.syntax.basic_extended.what_gets_matched"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.what_gets_matched">What
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.what_gets_matched"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.what_gets_matched">What
         Gets Matched</a>
       </h5>
 <p>
@@ -1112,11 +1112,11 @@ cab
       </p>
 <h4>
 <a name="boost_regex.syntax.basic_extended.h28"></a>
-        <span><a name="boost_regex.syntax.basic_extended.variations"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.variations">Variations</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.variations"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.variations">Variations</a>
       </h4>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h29"></a>
-        <span><a name="boost_regex.syntax.basic_extended.egrep"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.egrep">Egrep</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.egrep"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.egrep">Egrep</a>
       </h5>
 <p>
         When an expression is compiled with the <a class="link" href="../ref/syntax_option_type.html" title="syntax_option_type">flag
@@ -1137,7 +1137,7 @@ cab
       </p>
 <h5>
 <a name="boost_regex.syntax.basic_extended.h30"></a>
-        <span><a name="boost_regex.syntax.basic_extended.awk"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.awk">awk</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.awk"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.awk">awk</a>
       </h5>
 <p>
         In addition to the <a class="link" href="basic_extended.html#boost_regex.posix_extended_syntax">POSIX-Extended
@@ -1151,7 +1151,7 @@ cab
       </p>
 <h4>
 <a name="boost_regex.syntax.basic_extended.h31"></a>
-        <span><a name="boost_regex.syntax.basic_extended.options"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.options">Options</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.options"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.options">Options</a>
       </h4>
 <p>
         There are a <a class="link" href="../ref/syntax_option_type/syntax_option_type_extended.html" title="Options for POSIX Extended Regular Expressions">variety
@@ -1164,7 +1164,7 @@ cab
       </p>
 <h4>
 <a name="boost_regex.syntax.basic_extended.h32"></a>
-        <span><a name="boost_regex.syntax.basic_extended.references"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.references">References</a>
+        <span class="phrase"><a name="boost_regex.syntax.basic_extended.references"></a></span><a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.references">References</a>
       </h4>
 <p>
         <a href="http://www.opengroup.org/onlinepubs/000095399/basedefs/xbd_chap09.html" target="_top">IEEE
@@ -1184,7 +1184,7 @@ cab
 </div>
 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 <td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright &#169; 1998-2010 John Maddock<p>
+<td align="right"><div class="copyright-footer">Copyright &#169; 1998-2013 John Maddock<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>