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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: RegExp.prototype.compile()
+slug: Web/JavaScript/Reference/Global_Objects/RegExp/compile
+tags:
+ - Deprecated
+ - JavaScript
+translation_of: Web/JavaScript/Reference/Global_Objects/RegExp/compile
+---
+<div>{{JSRef}} {{deprecated_header}}</div>
+
+<p><code>已废弃的<strong>compile</strong></code><strong><code>()</code></strong> 方法被用于在脚本执行过程中(重新)编译正则表达式。与<code>RegExp</code>构造函数基本一样。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><code><var>regexObj</var>.compile(<var>pattern, flags</var>)</code></pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>pattern</code></dt>
+ <dd>正则表达式的文本 。</dd>
+ <dt><code>flags</code></dt>
+ <dd>
+ <p>如果指定,标志可以具有以下值的任意组合:</p>
+
+ <dl>
+ <dt><code>g</code></dt>
+ <dd>全局匹配</dd>
+ <dt><code>i</code></dt>
+ <dd>忽略大小写</dd>
+ <dt><code>m</code></dt>
+ <dd>多行;让开始和结束字符(^ 和 $)工作在多行模式工作(例如,^ 和 $ 可以匹配字符串中每一行的开始和结束(行是由 \n 或 \r 分割的),而不只是整个输入字符串的最开始和最末尾处。</dd>
+ <dt><code>y</code></dt>
+ <dd>黏度; 在目标字符串中,只从正则表达式的lastIndex属性指定的显示位置开始匹配(并且不试图从任何之后的索引匹配)。</dd>
+ </dl>
+ </dd>
+</dl>
+
+<h2 id="描述">描述</h2>
+
+<p><code>不推荐compile方法。你可以使用</code> <code>RegExp</code> 构造函数来得到相同效果。</p>
+
+<h2 id="示例">示例</h2>
+
+<h3 id="使用compile()"><code>使用compile()</code></h3>
+
+<p>以下展示如何用新模式和新标志来重新编译正则表达式。</p>
+
+<pre class="brush: js">var regexObj = new RegExp("foo", "gi");
+regexObj.compile("new foo", "g");
+</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES6', '#sec-regexp.prototype.compile', 'RegExp.prototype.compile')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td>Initial definition. Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-regexp.prototype.compile', 'RegExp.prototype.compile')}}</td>
+ <td>{{Spec2('ESDraft')}}</td>
+ <td>Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>{{CompatibilityTable}}</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>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</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>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("RegExp")}}</li>
+</ul>