1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Function template split_regex</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../string_algo/reference.html#header.boost.algorithm.string.regex_hpp" title="Header <boost/algorithm/string/regex.hpp>"> 10<link rel="prev" href="find_all_regex.html" title="Function template find_all_regex"> 11<link rel="next" href="join_if_1_3_3_9_16_2_1_12.html" title="Function template join_if"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="find_all_regex.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.regex_hpp"><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="join_if_1_3_3_9_16_2_1_12.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.algorithm.split_regex"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Function template split_regex</span></h2> 30<p>boost::algorithm::split_regex — Split regex algorithm. </p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../string_algo/reference.html#header.boost.algorithm.string.regex_hpp" title="Header <boost/algorithm/string/regex.hpp>">boost/algorithm/string/regex.hpp</a>> 34 35</span> 36<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SequenceSequenceT<span class="special">,</span> <span class="keyword">typename</span> RangeT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span> 37 <span class="keyword">typename</span> RegexTraitsT<span class="special">></span> 38 <span class="identifier">SequenceSequenceT</span> <span class="special">&</span> 39 <span class="identifier">split_regex</span><span class="special">(</span><span class="identifier">SequenceSequenceT</span> <span class="special">&</span> Result<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RangeT</span> <span class="special">&</span> Input<span class="special">,</span> 40 <span class="keyword">const</span> <span class="identifier">basic_regex</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">RegexTraitsT</span> <span class="special">></span> <span class="special">&</span> Rx<span class="special">,</span> 41 <span class="identifier">match_flag_type</span> Flags <span class="special">=</span> <span class="identifier">match_default</span><span class="special">)</span><span class="special">;</span></pre></div> 42<div class="refsect1"> 43<a name="id-1.3.3.9.17.14.4"></a><h2>Description</h2> 44<p>Tokenize expression. This function is equivalent to C strtok. Input sequence is split into tokens, separated by separators. Separator is an every match of the given regex. Each part is copied and added as a new element to the output container. Thus the result container must be able to hold copies of the matches (in a compatible structure like std::string) or a reference to it (e.g. using the iterator range class). Examples of such a container are <code class="computeroutput">std::vector<std::string></code> or <code class="computeroutput">std::list<boost::iterator_range<std::string::iterator>></code> </p> 45<p> 46 47</p> 48<div class="note"><table border="0" summary="Note"> 49<tr> 50<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> 51<th align="left">Note</th> 52</tr> 53<tr><td align="left" valign="top"><p>Prior content of the result will be overwritten.</p></td></tr> 54</table></div> 55<p> 56</p> 57<div class="note"><table border="0" summary="Note"> 58<tr> 59<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> 60<th align="left">Note</th> 61</tr> 62<tr><td align="left" valign="top"><p>This function provides the strong exception-safety guarantee </p></td></tr> 63</table></div> 64<p> 65</p> 66<div class="variablelist"><table border="0" class="variablelist compact"> 67<colgroup> 68<col align="left" valign="top"> 69<col> 70</colgroup> 71<tbody> 72<tr> 73<td><p><span class="term">Parameters:</span></p></td> 74<td><div class="variablelist"><table border="0" class="variablelist compact"> 75<colgroup> 76<col align="left" valign="top"> 77<col> 78</colgroup> 79<tbody> 80<tr> 81<td><p><span class="term"><code class="computeroutput">Flags</code></span></p></td> 82<td><p>Regex options </p></td> 83</tr> 84<tr> 85<td><p><span class="term"><code class="computeroutput">Input</code></span></p></td> 86<td><p>A container which will be searched. </p></td> 87</tr> 88<tr> 89<td><p><span class="term"><code class="computeroutput">Result</code></span></p></td> 90<td><p>A container that can hold copies of references to the substrings.</p></td> 91</tr> 92<tr> 93<td><p><span class="term"><code class="computeroutput">Rx</code></span></p></td> 94<td><p>A regular expression </p></td> 95</tr> 96</tbody> 97</table></div></td> 98</tr> 99<tr> 100<td><p><span class="term">Returns:</span></p></td> 101<td><p>A reference to the result</p></td> 102</tr> 103</tbody> 104</table></div> 105</div> 106</div> 107<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 108<td align="left"></td> 109<td align="right"><div class="copyright-footer">Copyright © 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost 110 Software License, Version 1.0. (See accompanying file 111 <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 112 </p> 113</div></td> 114</tr></table> 115<hr> 116<div class="spirit-nav"> 117<a accesskey="p" href="find_all_regex.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.regex_hpp"><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="join_if_1_3_3_9_16_2_1_12.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 118</div> 119</body> 120</html> 121