1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Search and Replace Format String Syntax</title> 5<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../index.html" title="Boost.Regex 5.1.4"> 8<link rel="up" href="../index.html" title="Boost.Regex 5.1.4"> 9<link rel="prev" href="syntax/leftmost_longest_rule.html" title="The Leftmost Longest Rule"> 10<link rel="next" href="format/sed_format.html" title="Sed Format String Syntax"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="syntax/leftmost_longest_rule.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.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="format/sed_format.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h2 class="title" style="clear: both"> 27<a name="boost_regex.format"></a><a class="link" href="format.html" title="Search and Replace Format String Syntax">Search and Replace Format String Syntax</a> 28</h2></div></div></div> 29<div class="toc"><dl class="toc"> 30<dt><span class="section"><a href="format/sed_format.html">Sed Format String Syntax</a></span></dt> 31<dt><span class="section"><a href="format/perl_format.html">Perl Format String Syntax</a></span></dt> 32<dt><span class="section"><a href="format/boost_format_syntax.html">Boost-Extended 33 Format String Syntax</a></span></dt> 34</dl></div> 35<p> 36 Format strings are used by the algorithm <a class="link" href="ref/regex_replace.html" title="regex_replace"><code class="computeroutput"><span class="identifier">regex_replace</span></code></a> and by <a class="link" href="ref/match_results.html#boost_regex.match_results_format"><code class="computeroutput"><span class="identifier">match_results</span><span class="special"><>::</span><span class="identifier">format</span></code></a>, and are used to transform 37 one string into another. 38 </p> 39<p> 40 There are three kind of format string: <a class="link" href="format/sed_format.html" title="Sed Format String Syntax">Sed</a>, 41 <a class="link" href="format/perl_format.html" title="Perl Format String Syntax">Perl</a> and <a class="link" href="format/boost_format_syntax.html" title="Boost-Extended Format String Syntax">Boost-Extended</a>. 42 </p> 43<p> 44 Alternatively, when the flag <code class="computeroutput"><span class="identifier">format_literal</span></code> 45 is passed to one of these functions, then the format string is treated as a 46 string literal, and is copied unchanged to the output. 47 </p> 48</div> 49<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 50<td align="left"></td> 51<td align="right"><div class="copyright-footer">Copyright © 1998-2013 John Maddock<p> 52 Distributed under the Boost Software License, Version 1.0. (See accompanying 53 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>) 54 </p> 55</div></td> 56</tr></table> 57<hr> 58<div class="spirit-nav"> 59<a accesskey="p" href="syntax/leftmost_longest_rule.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.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="format/sed_format.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 60</div> 61</body> 62</html> 63
