<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>regex_format (Deprecated)</title> <link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.74.0"> <link rel="home" href="../../../index.html" title="Boost.Regex"> <link rel="up" href="../deprecated_interfaces.html" title="Deprecated Interfaces"> <link rel="prev" href="../deprecated_interfaces.html" title="Deprecated Interfaces"> <link rel="next" href="regex_grep.html" title="regex_grep (Deprecated)"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> <td align="center"><a href="../../../../../../../index.html">Home</a></td> <td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="../deprecated_interfaces.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../deprecated_interfaces.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="regex_grep.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="section" lang="en"> <div class="titlepage"><div><div><h4 class="title"> <a name="boost_regex.ref.deprecated_interfaces.regex_format"></a><a class="link" href="regex_format.html" title="regex_format (Deprecated)"> regex_format (Deprecated)</a> </h4></div></div></div> <p> The algorithm <code class="computeroutput"><span class="identifier">regex_format</span></code> is deprecated; new code should use <a class="link" href="../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> instead. Existing code will continue to compile, the following documentation is taken from the previous version of Boost.Regex and will not be further updated: </p> <a name="boost_regex.ref.deprecated_interfaces.regex_format.algorithm_regex_format"></a><h5> <a name="id1154523"></a> <a class="link" href="regex_format.html#boost_regex.ref.deprecated_interfaces.regex_format.algorithm_regex_format">Algorithm regex_format</a> </h5> <pre class="programlisting"><span class="preprocessor">#include</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">hpp</span><span class="special">></span> </pre> <p> The algorithm <code class="computeroutput"><span class="identifier">regex_format</span></code> takes the results of a match and creates a new string based upon a format string, <code class="computeroutput"><span class="identifier">regex_format</span></code> can be used for search and replace operations: </p> <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">OutputIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">iterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Formatter</span><span class="special">></span> <span class="identifier">OutputIterator</span> <span class="identifier">regex_format</span><span class="special">(</span><span class="identifier">OutputIterator</span> <span class="identifier">out</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">match_results</span><span class="special"><</span><span class="identifier">iterator</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">m</span><span class="special">,</span> <span class="identifier">Formatter</span> <span class="identifier">fmt</span><span class="special">,</span> <span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span> </pre> <p> The library also defines the following convenience variation of <code class="computeroutput"><span class="identifier">regex_format</span></code>, which returns the result directly as a string, rather than outputting to an iterator. </p> <div class="note"><table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../../doc/src/images/note.png"></td> <th align="left">Note</th> </tr> <tr><td align="left" valign="top"><p> This version may not be available, or may be available in a more limited form, depending upon your compilers capabilities </p></td></tr> </table></div> <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">iterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Formatter</span><span class="special">></span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">></span> <span class="identifier">regex_format</span> <span class="special">(</span><span class="keyword">const</span> <span class="identifier">match_results</span><span class="special"><</span><span class="identifier">iterator</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">m</span><span class="special">,</span> <span class="identifier">Formatter</span> <span class="identifier">fmt</span><span class="special">,</span> <span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span> </pre> <p> Parameters to the main version of the function are passed as follows: </p> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Parameter </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <code class="computeroutput"><span class="identifier">OutputIterator</span> <span class="identifier">out</span></code> </p> </td> <td> <p> An output iterator type, the output string is sent to this iterator. Typically this would be a std::ostream_iterator. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="keyword">const</span> <span class="identifier">match_results</span><span class="special"><</span><span class="identifier">iterator</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">m</span></code> </p> </td> <td> <p> An instance of <a class="link" href="../match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> obtained from one of the matching algorithms above, and denoting what matched. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="identifier">Formatter</span> <span class="identifier">fmt</span></code> </p> </td> <td> <p> Either a format string that determines how the match is transformed into the new string, or a functor that computes the new string from <span class="emphasis"><em>m</em></span> - see <a class="link" href="../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>. </p> </td> </tr> <tr> <td> <p> <code class="computeroutput"><span class="keyword">unsigned</span> <span class="identifier">flags</span></code> </p> </td> <td> <p> Optional flags which describe how the format string is to be interpreted. </p> </td> </tr> </tbody> </table></div> <p> Format flags are described under <a class="link" href="../match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a>. </p> <p> The format string syntax (and available options) is described more fully under <a class="link" href="../../format.html" title="Search and Replace Format String Syntax">format strings</a>. </p> </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 © 1998 -2007 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> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="../deprecated_interfaces.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../deprecated_interfaces.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="regex_grep.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>