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+---
+title: RegExp.prototype.source
+slug: Web/JavaScript/Reference/Global_Objects/RegExp/source
+tags:
+ - JavaScript
+ - Property
+ - Prototype
+ - Reference
+ - RegExp
+ - Regular Expressions
+translation_of: Web/JavaScript/Reference/Global_Objects/RegExp/source
+---
+<div>{{JSRef("Global_Objects", "RegExp")}}</div>
+
+<h2 id="Summary" name="Summary">概述</h2>
+
+<p><strong><code>source</code></strong> 属性返回一个值为当前正则表达式对象的模式文本的字符串,该字符串不会包含正则字面量两边的斜杠以及任何的标志字符。</p>
+
+<h2 id="Examples" name="Examples">示例</h2>
+
+<pre class="brush: js">var regex = /fooBar/ig;
+
+console.log(regex.source); // "fooBar",不包含 /.../ 和 "ig"。
+</pre>
+
+<h2 id="Specifications" name="Specifications">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">规范名称</th>
+ <th scope="col">规范状态</th>
+ <th scope="col">备注</th>
+ </tr>
+ <tr>
+ <td>ECMAScript 3rd Edition.</td>
+ <td>Standard</td>
+ <td><code>source</code> 是正则对象自身的数据属性</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES5.1', '#sec-15.10.7.1', 'RegExp.prototype.source')}}</td>
+ <td>{{Spec2('ES5.1')}}</td>
+ <td> </td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES6', '#sec-get-regexp.prototype.source', 'RegExp.prototype.source')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td><code>source</code> 成为了正则对象原型上的一个访问器属性</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">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="See_also" name="See_also">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("RegExp.prototype.flags")}}</li>
+</ul>