76 lines
5.0 KiB
HTML
76 lines
5.0 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
|
|
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
|
<title>std::regex_iterator<BidirIt,CharT,Traits>::operator*,operator-></title>
|
|
<link rel="stylesheet" href="ext.css" />
|
|
<link rel="stylesheet" href="site_modules.css" />
|
|
</head>
|
|
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_regex_regex_iterator_operator skin-cppreference2 action-view cpp-navbar">
|
|
<div id="cpp-content-base">
|
|
<div id="content"><a id="top"></a>
|
|
<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::regex_iterator<BidirIt,CharT,Traits>::</span>operator*,operator-></h1>
|
|
<div id="bodyContent">
|
|
<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-regex.html">regex</a>‎ | <a href="cpp-regex-regex_iterator.html">regex iterator</a></span></div>
|
|
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
|
|
<table class="t-dcl-begin">
|
|
<tbody>
|
|
<tr class="t-dcl t-since-cxx11">
|
|
<td>
|
|
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> value_type<span class="sy3">&</span> operator<span class="sy2">*</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
|
|
</td>
|
|
<td>(1)</td>
|
|
<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
|
|
</tr>
|
|
<tr class="t-dcl t-since-cxx11">
|
|
<td>
|
|
<div><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> value_type<span class="sy2">*</span> operator<span class="sy2">-</span><span class="sy1">></span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
|
|
</td>
|
|
<td>(2)</td>
|
|
<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
|
|
</tr>
|
|
<tr class="t-dcl-sep">
|
|
<td></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
<p>从 <code>regex_iterator</code> 提取当前 <span class="t-lc"><a href="cpp-regex-match_results.html">std::match_results</a></span> ：</p>
|
|
<div class="t-li1"><span class="t-li">1)</span> 返回到当前 <span class="t-lc"><a href="cpp-regex-match_results.html">std::match_results</a></span> 的引用。</div>
|
|
<div class="t-li1"><span class="t-li">2)</span> 返回指向当前 <span class="t-lc"><a href="cpp-regex-match_results.html">std::match_results</a></span> 的指针。</div>
|
|
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</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 <iostream></span>
|
|
<span class="co2">#include <string></span>
|
|
<span class="co2">#include <regex></span>
|
|
|
|
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
|
|
<span class="br0">{</span>
|
|
<a href="cpp-regex-basic_regex.html"><span class="kw2000">std::<span class="me2">regex</span></span></a> expression<span class="br0">(</span><span class="st0">"[1234]"</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<a href="cpp-string-basic_string.html"><span class="kw1230">std::<span class="me2">string</span></span></a> searchStr<span class="br0">(</span><span class="st0">"1.1a2b3cjk34"</span><span class="br0">)</span><span class="sy4">;</span>
|
|
|
|
<span class="kw1">for</span> <span class="br0">(</span><a href="cpp-regex-regex_iterator.html"><span class="kw2015">std::<span class="me2">regex_iterator</span></span></a><span class="sy1"><</span>std<span class="sy4">::</span><span class="me2">string</span><span class="sy4">::</span><span class="me2">iterator</span><span class="sy1">></span> it<span class="br0">{</span>
|
|
searchStr.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, searchStr.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span>, expression
|
|
<span class="br0">}</span>, last<span class="br0">{</span><span class="br0">}</span><span class="sy4">;</span> it <span class="sy3">!</span><span class="sy1">=</span> last<span class="sy4">;</span> <span class="sy2">++</span>it<span class="br0">)</span> <span class="br0">{</span>
|
|
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> it<span class="sy2">-</span><span class="sy1">></span>str<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<p>输出：</p>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="text source-text">
|
|
<pre class="de1">112334</pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="visualClear"></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|