Javascript Regexp 简明教程

JavaScript RegExp - [^…​]

Description

[^…​] 检查括号内的任何一个字符是否不存在于被搜索字符串中。

Example

以下示例显示了 RegExp 表达式的用法。

<html>
   <head>
      <title>JavaScript RegExp</title>
   </head>

   <body>
      <script type = "text/javascript">
         var str = "first";
         var pattern = /[^abcde]/g;

         var result = str.match(pattern);
         document.write("Test 1 - returned value : " +  result);

         str = "second";
         result = str.match(pattern);
         document.write("<br/>Test 2 - returned value : " +  result);
      </script>
   </body>
</html>

Output

Test 1 - returned value : f,i,r,s,t
Test 2 - returned value : s,o,n