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<title>std::regex_traits&lt;CharT&gt;::regex_traits</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::regex_traits&lt;CharT&gt;::</span>regex_traits</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-regex.html">regex</a>&lrm; | <a href="cpp-regex-regex_traits.html">regex traits</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">regex_traits<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#40664;&#35748;&#26500;&#36896; <span class="t-lc"><a href="cpp-regex-regex_traits.html">std::regex_traits</a></span> &#23545;&#35937;&#65292;&#21253;&#21547;&#40664;&#35748;&#26500;&#36896;&#31169;&#26377; <span class="t-lc"><a href="cpp-locale-locale.html">std::locale</a></span> &#25104;&#21592;&#25110;&#20219;&#20309;&#38656;&#35201;&#30340;&#20869;&#37096;&#29366;&#24577;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;regex&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
std<span class="sy4">::</span><span class="me2">locale</span><span class="sy4">::</span><span class="me2">global</span><span class="br0">(</span><a href="cpp-locale-locale.html"><span class="kw1894">std::<span class="me2">locale</span></span></a><span class="br0">(</span><span class="st0">&quot;en_US.utf8&quot;</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-regex-regex_traits.html"><span class="kw2026">std::<span class="me2">regex_traits</span></span></a><span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span> r1<span class="sy4">;</span>
<a href="cpp-regex-regex_traits.html"><span class="kw2026">std::<span class="me2">regex_traits</span></span></a><span class="sy1">&lt;</span><span class="kw4">wchar_t</span><span class="sy1">&gt;</span> r2<span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;The regex locale is &quot;</span> <span class="sy1">&lt;&lt;</span> r1.<span class="me1">getloc</span><span class="br0">(</span><span class="br0">)</span>.<span class="me1">name</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">The regex locale is en_US.utf8</pre></div>
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