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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>regex_replace</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></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-regex.html">&lt;regex&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> OutputIt, <span class="kw1">class</span> BidirIt,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">class</span> Traits, <span class="kw1">class</span> CharT,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">class</span> STraits, <span class="kw1">class</span> SAlloc <span class="sy1">&gt;</span><br />
OutputIt regex_replace<span class="br0">(</span> OutputIt out, BidirIt first, BidirIt last,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw4">const</span> <a href="cpp-regex-basic_regex.html"><span class="kw1999">std::<span class="me2">basic_regex</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> re,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw4">const</span> <a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,STraits,SAlloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="cpp-regex-match_flag_type.html"><span class="kw2037">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_flag_type</span></span></a> flags <span class="sy1">=</span><br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="cpp-regex-match_flag_type.html"><span class="kw2038">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_default</span></span></a> <span class="br0">)</span><span class="sy4">;</span></div>
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<td>(1)</td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> OutputIt, <span class="kw1">class</span> BidirIt,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">class</span> Traits, <span class="kw1">class</span> CharT <span class="sy1">&gt;</span><br />
OutputIt regex_replace<span class="br0">(</span> OutputIt out, BidirIt first, BidirIt last,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw4">const</span> <a href="cpp-regex-basic_regex.html"><span class="kw1999">std::<span class="me2">basic_regex</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> re,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw4">const</span> CharT<span class="sy2">*</span> fmt,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="cpp-regex-match_flag_type.html"><span class="kw2037">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_flag_type</span></span></a> flags <span class="sy1">=</span><br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href="cpp-regex-match_flag_type.html"><span class="kw2038">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_default</span></span></a> <span class="br0">)</span><span class="sy4">;</span></div>
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<td>(2)</td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Traits, <span class="kw1">class</span> CharT,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">class</span> STraits, <span class="kw1">class</span> SAlloc,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">class</span> FTraits, <span class="kw1">class</span> FAlloc <span class="sy1">&gt;</span><br />
<a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,STraits,SAlloc<span class="sy1">&gt;</span><br />
&nbsp; &nbsp; regex_replace<span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,STraits,SAlloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-regex-basic_regex.html"><span class="kw1999">std::<span class="me2">basic_regex</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> re,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,FTraits,FAlloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2037">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_flag_type</span></span></a> flags <span class="sy1">=</span><br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2038">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_default</span></span></a> <span class="br0">)</span><span class="sy4">;</span></div>
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<td>(3)</td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Traits, <span class="kw1">class</span> CharT,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">class</span> STraits, <span class="kw1">class</span> SAlloc <span class="sy1">&gt;</span><br />
<a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,STraits,SAlloc<span class="sy1">&gt;</span><br />
&nbsp; &nbsp; regex_replace<span class="br0">(</span> <span class="kw4">const</span> <a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,STraits,SAlloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-regex-basic_regex.html"><span class="kw1999">std::<span class="me2">basic_regex</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> re,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> CharT<span class="sy2">*</span> fmt,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2037">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_flag_type</span></span></a> flags <span class="sy1">=</span><br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2038">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_default</span></span></a> <span class="br0">)</span><span class="sy4">;</span></div>
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<td>(4)</td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Traits, <span class="kw1">class</span> CharT,<br /></span>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <span class="kw1">class</span> STraits, <span class="kw1">class</span> SAlloc <span class="sy1">&gt;</span><br />
<a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span><br />
&nbsp; &nbsp; regex_replace<span class="br0">(</span> <span class="kw4">const</span> CharT<span class="sy2">*</span> s,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-regex-basic_regex.html"><span class="kw1999">std::<span class="me2">basic_regex</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> re,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT,STraits,SAlloc<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2037">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_flag_type</span></span></a> flags <span class="sy1">=</span><br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2038">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_default</span></span></a> <span class="br0">)</span><span class="sy4">;</span></div>
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<td>(5)</td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> Traits, <span class="kw1">class</span> CharT <span class="sy1">&gt;</span><br /></span>
<p><a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span><br />
&nbsp; &nbsp; regex_replace<span class="br0">(</span> <span class="kw4">const</span> CharT<span class="sy2">*</span> s,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> <a href="cpp-regex-basic_regex.html"><span class="kw1999">std::<span class="me2">basic_regex</span></span></a><span class="sy1">&lt;</span>CharT,Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> re,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="kw4">const</span> CharT<span class="sy2">*</span> fmt,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2037">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_flag_type</span></span></a> flags <span class="sy1">=</span><br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-regex-match_flag_type.html"><span class="kw2038">std::<span class="me2">regex_constants</span><span class="sy4">::</span><span class="me2">match_default</span></span></a> <span class="br0">)</span><span class="sy4">;</span></div>
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<td>(6)</td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<p><code>regex_replace</code> &#29992;&#27491;&#21017;&#34920;&#36798;&#24335;&#36827;&#34892;&#23383;&#31526;&#24207;&#21015;&#30340;&#26367;&#25442;&#65306;</p>
<div class="t-li1"><span class="t-li">1)</span> &#22797;&#21046; <code>[first,last)</code> &#20013;&#30340;&#23383;&#31526;&#21040; <code>out</code> &#65292;&#20197; <code>re</code> &#25152;&#26684;&#24335;&#21270;&#30340;&#23383;&#31526;&#26367;&#25442;&#20219;&#20309;&#21305;&#37197; <code>fmt</code> &#30340;&#24207;&#21015;&#12290;&#25442;&#35328;&#20043;&#65306;</div>
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<li>&#22914;&#21516;&#20197; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-regex-regex_iterator.html"><span class="kw2014">std::<span class="me2">regex_iterator</span></span></a><span class="sy1">&lt;</span>BidirIt, CharT, traits<span class="sy1">&gt;</span> i<span class="br0">(</span>first, last, re, flags<span class="br0">)</span></span></span> &#26500;&#36896; <span class="t-lc"><a href="cpp-regex-regex_iterator.html">std::regex_iterator</a></span> &#23545;&#35937; <code>i</code> &#65292;&#24182;&#29992;&#23427;&#22312;&#24207;&#21015; <code>[first,last)</code> &#20869;&#21069;&#36827;&#36890;&#36807;&#27599;&#20010; <code>re</code> &#30340;&#21305;&#37197;&#12290;</li>
<li>&#23545;&#20110;&#27599;&#20010;&#21305;&#37197; <code>m</code> &#65292;&#22914;&#21516;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">out <span class="sy1">=</span> <a href="cpp-algorithm-copy.html"><span class="kw1582">std::<span class="me2">copy</span></span></a><span class="br0">(</span>m.<span class="me1">prefix</span><span class="br0">(</span><span class="br0">)</span>.<span class="me1">first</span>, m.<span class="me1">prefix</span><span class="br0">(</span><span class="br0">)</span>.<span class="me1">second</span>, out<span class="br0">)</span></span></span> &#22797;&#21046;&#38750;&#21305;&#37197;&#23376;&#24207;&#21015;&#65288; <a href="cpp-regex-match_results-prefix.html"><code>m.prefix()</code></a> &#65289;&#21040; <code>out</code> &#65292;&#28982;&#21518;&#22914;&#21516;&#36890;&#36807;&#35843;&#29992; <a href="cpp-regex-match_results-format.html"><span class="t-c"><span class="mw-geshi cpp source-cpp">out <span class="sy1">=</span> m.<span class="me1">format</span><span class="br0">(</span>out, fmt, flags<span class="br0">)</span></span></span></a> &#65292;&#20197;&#26684;&#24335;&#21270;&#26367;&#25442;&#23383;&#31526;&#20018;&#26367;&#25442;&#21305;&#37197;&#30340;&#23376;&#24207;&#21015;&#12290;</li>
<li>&#25214;&#19981;&#21040;&#26356;&#22810;&#21305;&#37197;&#26102;&#65292;&#22914;&#21516;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">out <span class="sy1">=</span> <a href="cpp-algorithm-copy.html"><span class="kw1582">std::<span class="me2">copy</span></span></a><span class="br0">(</span>last_m.<span class="me1">suffix</span><span class="br0">(</span><span class="br0">)</span>.<span class="me1">first</span>, last_m.<span class="me1">suffix</span><span class="br0">(</span><span class="br0">)</span>.<span class="me1">second</span>, out<span class="br0">)</span></span></span> &#22797;&#21046;&#21097;&#20313;&#30340;&#38750;&#21305;&#37197;&#23383;&#31526;&#21040; <code>out</code> &#65292;&#20854;&#20013; <code>last_m</code> &#26159;&#25214;&#21040;&#30340;&#26368;&#21518;&#21305;&#37197;&#30340;&#21103;&#26412;&#12290;</li>
<li>&#33509;&#26080;&#21305;&#37197;&#65292;&#21017;&#21407;&#24577;&#22320;&#22797;&#21046;&#25972;&#20010;&#24207;&#21015;&#21040; <code>out</code> &#65292;&#20197; <span class="t-c"><span class="mw-geshi cpp source-cpp">out <span class="sy1">=</span> <a href="cpp-algorithm-copy.html"><span class="kw1582">std::<span class="me2">copy</span></span></a><span class="br0">(</span>first, last, out<span class="br0">)</span></span></span> &#12290;</li>
<li>&#33509; <code>flags</code> &#21547;&#26377; <span class="t-lc"><a href="cpp-regex-match_flag_type.html">std::regex_constants::format_no_copy</a></span> &#65292;&#21017;&#19981;&#22797;&#21046;&#38750;&#21305;&#37197;&#30340;&#23376;&#24207;&#21015;&#21040; <code>out</code> &#12290;</li>
<li>&#33509; <code>flags</code> &#21547;&#26377; <span class="t-lc"><a href="cpp-regex-match_flag_type.html">std::regex_constants::format_first_only</a></span> &#65292;&#21017;&#21482;&#26367;&#25442;&#39318;&#20010;&#21305;&#37197;&#12290;</li>
</ul>
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<div class="t-li1"><span class="t-li">2)</span> &#21516; 1) &#65292;&#20294;&#22914;&#21516;&#20197;&#35843;&#29992; <a href="cpp-regex-match_results-format.html"><span class="t-c"><span class="mw-geshi cpp source-cpp">out <span class="sy1">=</span> m.<span class="me1">format</span><span class="br0">(</span>out, fmt, fmt <span class="sy2">+</span> char_traits<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">length</span><span class="br0">(</span>fmt<span class="br0">)</span>, flags<span class="br0">)</span></span></span></a> &#36827;&#34892;&#26684;&#24335;&#21270;&#26367;&#25442;&#12290;</div>
<div class="t-li1"><span class="t-li">3-4)</span> &#26500;&#36896; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT, ST, SA<span class="sy1">&gt;</span></span></span> &#31867;&#22411;&#31354;&#23383;&#31526;&#20018; <code>result</code> &#65292;&#24182;&#35843;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">regex_replace</span><span class="br0">(</span><a href="cpp-iterator-back_inserter.html"><span class="kw665">std::<span class="me2">back_inserter</span></span></a><span class="br0">(</span>result<span class="br0">)</span>, s.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, s.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span>, re, fmt, flags<span class="br0">)</span></span></span> &#12290;</div>
<div class="t-li1"><span class="t-li">5-6)</span> &#26500;&#36896; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-string-basic_string.html"><span class="kw1228">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span></span></span> &#31867;&#22411;&#31354;&#23383;&#31526;&#20018; <code>result</code> &#24182;&#35843;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">regex_replace</span><span class="br0">(</span><a href="cpp-iterator-back_inserter.html"><span class="kw665">std::<span class="me2">back_inserter</span></span></a><span class="br0">(</span>result<span class="br0">)</span>, s, s <span class="sy2">+</span> <a href="cpp-string-char_traits.html"><span class="kw1267">std::<span class="me2">char_traits</span></span></a><span class="sy1">&lt;</span>CharT<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">length</span><span class="br0">(</span>s<span class="br0">)</span>, re, fmt, flags<span class="br0">)</span></span></span> &#12290;</div>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
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<td>first, last</td>
<td>-</td>
<td>&#20197;&#19968;&#23545;&#36845;&#20195;&#22120;&#34920;&#31034;&#30340;&#36755;&#20837;&#23383;&#31526;&#24207;&#21015;</td>
</tr>
<tr class="t-par">
<td>s</td>
<td>-</td>
<td>&#20197; <span class="t-lc"><a href="cpp-string-basic_string.html">std::basic_string</a></span> &#25110;&#23383;&#31526;&#25968;&#32452;&#34920;&#31034;&#30340;&#36755;&#20837;&#23383;&#31526;&#24207;&#21015;</td>
</tr>
<tr class="t-par">
<td>re</td>
<td>-</td>
<td>&#23558;&#19982;&#36755;&#20837;&#24207;&#21015;&#21305;&#37197;&#30340; <span class="t-lc"><a href="cpp-regex-basic_regex.html">std::basic_regex</a></span></td>
</tr>
<tr class="t-par">
<td>flags</td>
<td>-</td>
<td><span class="t-lc"><a href="cpp-regex-match_flag_type.html">std::regex_constants::match_flag_type</a></span> &#31867;&#22411;&#30340;&#21305;&#37197;&#26631;&#24535;</td>
</tr>
<tr class="t-par">
<td>fmt</td>
<td>-</td>
<td>&#27491;&#21017;&#34920;&#36798;&#24335;&#26367;&#25442;&#26684;&#24335;&#23383;&#31526;&#20018;&#65292;&#20934;&#30830;&#35821;&#27861;&#20381;&#36182;&#20110; <code>flags</code> &#30340;&#20540;</td>
</tr>
<tr class="t-par">
<td>out</td>
<td>-</td>
<td>&#23384;&#20648;&#26367;&#25442;&#32467;&#26524;&#30340;&#36755;&#20986;&#36845;&#20195;&#22120;</td>
</tr>
<tr class="t-par-hitem">
<td colspan="3">&#31867;&#22411;&#35201;&#27714;</td>
</tr>
<tr class="t-par-req">
<td colspan="3">-
<div class="spacer"></div>
<code>OutputIt</code> &#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-OutputIterator.html"><span style="font-style:italic">&#32769;&#24335;&#36755;&#20986;&#36845;&#20195;&#22120;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(LegacyOutputIterator)</span></a> &#30340;&#35201;&#27714;&#12290;</td>
</tr>
<tr class="t-par-req">
<td colspan="3">-
<div class="spacer"></div>
<code>BidirIt</code> &#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-BidirectionalIterator.html"><span style="font-style:italic">&#32769;&#24335;&#21452;&#21521;&#36845;&#20195;&#22120;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(LegacyBidirectionalIterator)</span></a> &#30340;&#35201;&#27714;&#12290;</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<div class="t-li1"><span class="t-li">1-2)</span> &#36820;&#22238;&#36755;&#20986;&#36845;&#20195;&#22120; <code>out</code> &#22312;&#25152;&#26377;&#25554;&#20837;&#21518;&#30340;&#21103;&#26412;&#12290;</div>
<div class="t-li1"><span class="t-li">3-6)</span> &#36820;&#22238;&#21547;&#26377;&#36755;&#20986;&#30340;&#23383;&#31526;&#20018; <code>result</code> &#12290;</div>
<h3><span class="mw-headline" id=".E5.BC.82.E5.B8.B8">&#24322;&#24120;</span></h3>
<p>&#21487;&#33021;&#25243;&#20986;&#25351;&#31034;<a href="cpp-regex-error_type.html">&#38169;&#35823;&#26465;&#20214;</a>&#30340; <span class="t-lc"><a href="cpp-regex-regex_error.html">std::regex_error</a></span> &#12290;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<div class="t-example-live-link"></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;iterator&gt;</span>
<span class="co2">#include &lt;regex&gt;</span>
<span class="co2">#include &lt;string&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="cpp-string-basic_string.html"><span class="kw1230">std::<span class="me2">string</span></span></a> text <span class="sy1">=</span> <span class="st0">&quot;Quick brown fox&quot;</span><span class="sy4">;</span>
<a href="cpp-regex-basic_regex.html"><span class="kw2000">std::<span class="me2">regex</span></span></a> vowel_re<span class="br0">(</span><span class="st0">&quot;a|e|i|o|u&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#20889;&#32467;&#26524;&#21040;&#36755;&#20986;&#36845;&#20195;&#22120;</span>
std<span class="sy4">::</span><span class="me2">regex_replace</span><span class="br0">(</span><a href="cpp-iterator-ostreambuf_iterator.html"><span class="kw671">std::<span class="me2">ostreambuf_iterator</span></span></a><span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span><span class="br0">(</span><a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a><span class="br0">)</span>,
text.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, text.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span>, vowel_re, <span class="st0">&quot;*&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#26500;&#36896;&#20445;&#26377;&#32467;&#26524;&#30340;&#23383;&#31526;&#20018;</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">&#39;<span class="es1">\n</span>&#39;</span> <span class="sy1">&lt;&lt;</span> std<span class="sy4">::</span><span class="me2">regex_replace</span><span class="br0">(</span>text, vowel_re, <span class="st0">&quot;[$&amp;]&quot;</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>
</div>
<p>&#36755;&#20986;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="text source-text">
<pre class="de1">Q**ck br*wn f*x
Q[u][i]ck br[o]wn f[o]x</pre></div>
</div>
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-regex-regex_search.html"><span class="t-lines"><span>regex_search</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#23581;&#35797;&#21305;&#37197;&#19968;&#20010;&#27491;&#21017;&#34920;&#36798;&#24335;&#21040;&#23383;&#31526;&#24207;&#21015;&#30340;&#20219;&#20309;&#37096;&#20998;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-regex-match_flag_type.html"><span class="t-lines"><span>match_flag_type</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#29305;&#23450;&#20110;&#21305;&#37197;&#30340;&#36873;&#39033;<br />
<span class="t-mark">(typedef)</span></td>
</tr>
</table>
</div>
<div class="visualClear"></div>
</div>
</div>
</div>
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