无涯教程-Javascript - toString()函数

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toString 返回正则表达式的字符串形式。

toString() - 语法

RegExpObject.toString();

toString() - 返回值

返回正则表达式的字符串表示形式。

toString() - 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>

运行上面代码输出

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

参考链接

www.learnfk.com/javascript/…