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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::experimental::</span>erase_if <small>(std::basic_string)</small></h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-experimental.html">experimental</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/string&amp;action=edit&amp;redlink=1" class="new" title="cpp/header/experimental/string&#65288;&#39029;&#38754;&#19981;&#23384;&#22312;&#65289;">&lt;experimental/string&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> Pred<span class="sy1">&gt;</span><br />
<span class="kw4">void</span> erase_if<span class="br0">(</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>...<span class="sy1">&gt;</span><span class="sy3">&amp;</span> c, Pred pred<span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-libfund-ts-2 t-mark-ts">(&#24211;&#22522;&#30784; TS v2)</span></td>
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<p>&#20174;&#23481;&#22120;&#25830;&#38500;&#25152;&#26377;&#28385;&#36275;&#35859;&#35789; <code>pred</code> &#30340;&#20803;&#32032;&#12290;&#31561;&#20215;&#20110; <span class="t-c"><span class="mw-geshi cpp source-cpp">c.<span class="me1">erase</span><span class="br0">(</span><a href="cpp-algorithm-remove.html"><span class="kw1592">std::<span class="me2">remove_if</span></span></a><span class="br0">(</span>c.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, c.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span>, pred<span class="br0">)</span>, c.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span></span></span></p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>c</td>
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<td>&#30830;&#23450;&#35813;&#25830;&#38500;&#21738;&#20123;&#20803;&#32032;&#30340;&#35859;&#35789;</td>
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<h3><span class="mw-headline" id=".E5.A4.8D.E6.9D.82.E5.BA.A6">&#22797;&#26434;&#24230;</span></h3>
<p>&#32447;&#24615;&#12290;</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;experimental/string&gt;</span>
<span class="co2">#include &lt;iostream&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> data <span class="br0">{</span> <span class="st0">&quot;1337!p_C00L_&lt;a-_HACKER_!@s_{!s#@_w^o%r*d#42&quot;</span> <span class="br0">}</span><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;Original: <span class="es1">\n</span><span class="es1">\&quot;</span>&quot;</span> <span class="sy1">&lt;&lt;</span> data <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span><span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
<span class="kw4">auto</span> crack <span class="sy1">=</span> <span class="br0">[</span><span class="br0">]</span><span class="br0">(</span><span class="kw4">auto</span> O<span class="br0">)</span> <span class="br0">{</span> <span class="kw1">return</span> O <span class="sy1">&lt;</span> <span class="nu8">0141</span> or <span class="nu8">0172</span> <span class="sy1">&lt;</span> O<span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
std<span class="sy4">::</span><span class="me2">experimental</span><span class="sy4">::</span><span class="me2">erase_if</span><span class="br0">(</span>data, crack<span class="br0">)</span><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;After erase_if: <span class="es1">\n</span><span class="es1">\&quot;</span>&quot;</span> <span class="sy1">&lt;&lt;</span> data <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span><span class="es1">\n</span>&quot;</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">Original:
&quot;1337!p_C00L_&lt;a-_HACKER_!@s_{!s#@_w^o%r*d#42&quot;
After erase_if:
&quot;password&quot;</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-algorithm-remove.html"><span class="t-lines"><span>remove</span><span>remove_if</span></span></a></div>
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<td>&#31227;&#38500;&#28385;&#36275;&#29305;&#23450;&#21028;&#21035;&#26631;&#20934;&#30340;&#20803;&#32032;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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<div><a href="cpp-experimental-basic_string-erase.html"><span class="t-lines"><span>erase<span class="t-dsc-small">(std::basic_string)</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-libfund-2-ts t-mark-ts">(&#24211;&#22522;&#30784; 2 TS)</span></span></span></div>
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<td>&#20174; <span class="t-lc"><a href="cpp-string-basic_string.html">std::basic_string</a></span> &#25830;&#38500;&#25152;&#26377;&#31561;&#20110;&#29305;&#23450;&#20540;&#30340;&#20803;&#32032;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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