mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-09 23:44:06 +08:00
92 lines
5.9 KiB
HTML
92 lines
5.9 KiB
HTML
<article id="wikiArticle">
|
||
<div> <div class="blockIndicator nonStandard nonStandardHeader">
|
||
<p><strong><span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span> 非标准</strong><br/>
|
||
该特性是非标准的,请尽量不要在生产环境中使用它!</p>
|
||
</div></div>
|
||
<p><strong><code>input</code> </strong>非标准属性是正则表达式静态属性,含有正则表达式所匹配的字符串。<code>RegExp.$_</code>是这个属性的别名。</p>
|
||
<h2 id="语法">语法</h2>
|
||
<pre><code class="language-javascript"><var>RegExp</var>.input
|
||
RegExp.$_
|
||
</code></pre>
|
||
<h2 id="描述">描述</h2>
|
||
<p><code>input</code> 属性是静态的,并不是正则表达式独立对象的属性。反之,你应始终将其使用为 <code>RegExp.input</code> 或者 <code>RegExp.$_。</code></p>
|
||
<p>当正则表达式上搜索的字符串发生改变,并且字符串匹配时,<code><strong>input</strong></code> 属性的值会修改。</p>
|
||
<h2 id="示例">示例</h2>
|
||
<h3 id="使用_input_和__">使用 <code>input</code> 和 <code>$_</code></h3>
|
||
<pre><code class="language-javascript">var re = /hi/g;
|
||
re.test('hi there!');
|
||
RegExp.input; // "hi there!"
|
||
re.test('foo'); // 新测试,不匹配
|
||
RegExp.$_; // "hi there!"
|
||
re.test('hi world!'); // 新测试,匹配
|
||
RegExp.$_; // "hi world!"
|
||
</code></pre>
|
||
<h2 id="规范">规范</h2>
|
||
<p>非标准。并不是任何现行规范的一部分。</p>
|
||
<h2 id="浏览器兼容性">浏览器兼容性</h2>
|
||
<div><div class="blockIndicator warning"><strong><a class="external" href="https://github.com/mdn/browser-compat-data" rel="noopener">We're converting our compatibility data into a machine-readable JSON format</a></strong>.
|
||
This compatibility table still uses the old format,
|
||
because we haven't yet converted the data it contains.
|
||
<strong><a class="new" href="/zh-CN/docs/MDN/Contribute/Structures/Compatibility_tables" rel="nofollow">Find out how you can help!</a></strong></div>
|
||
<div class="htab">
|
||
<a id="AutoCompatibilityTable" name="AutoCompatibilityTable"></a>
|
||
<ul>
|
||
<li class="selected"><a>Desktop</a></li>
|
||
<li><a>Mobile</a></li>
|
||
</ul>
|
||
</div></div>
|
||
<div id="compat-desktop">
|
||
<table class="compat-table">
|
||
<tbody>
|
||
<tr>
|
||
<th>Feature</th>
|
||
<th>Chrome</th>
|
||
<th>Firefox (Gecko)</th>
|
||
<th>Internet Explorer</th>
|
||
<th>Opera</th>
|
||
<th>Safari</th>
|
||
</tr>
|
||
<tr>
|
||
<td>Basic support</td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
</div>
|
||
<div id="compat-mobile">
|
||
<table class="compat-table">
|
||
<tbody>
|
||
<tr>
|
||
<th>Feature</th>
|
||
<th>Android</th>
|
||
<th>Chrome for Android</th>
|
||
<th>Firefox Mobile (Gecko)</th>
|
||
<th>IE Mobile</th>
|
||
<th>Opera Mobile</th>
|
||
<th>Safari Mobile</th>
|
||
</tr>
|
||
<tr>
|
||
<td>Basic support</td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
</div>
|
||
<h2 id="另见">另见</h2>
|
||
<ul>
|
||
<li><span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span> <a href="Reference/Global_Objects/RegExp/lastMatch" title="lastMatch 非标准属性是正则表达式的静态和只读属性,含有最后匹配到的字符串。RegExp.$& 是这个属性的别名。"><code>RegExp.lastMatch ($&)</code></a></li>
|
||
<li><span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span> <a href="Reference/Global_Objects/RegExp/lastParen" title="lastParen 非标准属性是正则表达式的静态和只读属性,包含匹配到的最后一个子串(如果存在)。RegExp.$+是这一属性的别名。"><code>RegExp.lastParen ($+)</code></a></li>
|
||
<li><span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span> <a href="Reference/Global_Objects/RegExp/leftContext" title="leftContext 非标准属性是正则表达式的静态和只读属性,含有最新匹配的左侧子串。 RegExp.$` 是这个属性的别名。"><code>RegExp.leftContext ($`)</code></a></li>
|
||
<li><span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span> <a href="Reference/Global_Objects/RegExp/rightContext" title="rightContext 非标准属性是正则表达式的静态和只读属性,含有最新匹配的右侧子串。 RegExp.$' 是这个属性的别名。"><code>RegExp.rightContext ($')</code></a></li>
|
||
<li><span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span> <a href="Reference/Global_Objects/RegExp/n" title="非标准$1, $2, $3, $4, $5, $6, $7, $8, $9 属性是包含括号子串匹配的正则表达式的静态和只读属性。"><code>RegExp.$1-$9</code></a></li>
|
||
</ul>
|
||
</article> |