<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Function is_alnum</title> <link rel="stylesheet" href="../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../string_algo/reference.html#header.boost.algorithm.string.classification_hpp" title="Header <boost/algorithm/string/classification.hpp>"> <link rel="prev" href="is_space.html" title="Function is_space"> <link rel="next" href="is_alpha.html" title="Function is_alpha"> </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="is_space.html"><img src="../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.classification_hpp"><img src="../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="is_alpha.html"><img src="../../../../doc/html/images/next.png" alt="Next"></a> </div> <div class="refentry" title="Function is_alnum"> <a name="boost.algorithm.is_alnum"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Function is_alnum</span></h2> <p>boost::algorithm::is_alnum — is_alnum predicate </p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="emphasis"><em>// In header: <<a class="link" href="../../string_algo/reference.html#header.boost.algorithm.string.classification_hpp" title="Header <boost/algorithm/string/classification.hpp>">boost/algorithm/string/classification.hpp</a>> </em></span> <span class="type"><span class="emphasis"><em>unspecified</em></span></span> is_alnum(<span class="bold"><strong>const</strong></span> std::locale & Loc = std::locale());</pre></div> <div class="refsect1" title="Description"> <a name="id1724586"></a><h2>Description</h2> <p>Construct the <code class="computeroutput">is_classified</code> predicate for the <code class="computeroutput">ctype_base::alnum</code> category.</p> <p> </p> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term">Parameters:</span></p></td> <td><div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody><tr> <td><p><span class="term"><code class="computeroutput">Loc</code></span></p></td> <td><p>A locale used for classification </p></td> </tr></tbody> </table></div></td> </tr> <tr> <td><p><span class="term">Returns:</span></p></td> <td><p>An instance of the <code class="computeroutput">is_classified</code> predicate </p></td> </tr> </tbody> </table></div> </div> </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 © 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost Software License, Version 1.0. (See accompanying file <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>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="is_space.html"><img src="../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.classification_hpp"><img src="../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="is_alpha.html"><img src="../../../../doc/html/images/next.png" alt="Next"></a> </div> </body> </html>