Javascript RegExp教程

JavaScript RegExp toString

说明

toString 方法以正则表达式字面量的形式返回正则表达式的字符串表示形式。

语法

其语法如下-
RegExpObject.toString();

返回值

返回正则表达式的字符串表示。

示例

<html>
   
   <head>
      <title>JavaScript RegExp toString Method</title>
   </head>
   
   <body>
      <script type = "text/javascript">
         var str = "Javascript is an interesting scripting language";
         var re = new RegExp( "script", "g" );
         
         var result = re.toString(str);
         document.write("Test 1-returned value : " +  result); 
         
         re = new RegExp( "/", "g");
         
         var result = re.toString(str);
         document.write("<br />Test 2-returned value : " +  result); 
      </script>
   </body>
</html>

输出

Test 1-returned value : /script/g
Test 2-returned value : /\//g
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