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JS method to use regular expressions to remove repeated characters in a string_javascript skills

WBOYOriginal: 2016-05-16 15:33:402042browse

本文实例讲述了JS使用正则表达式除去字符串中重复字符的方法。分享给大家供大家参考，具体如下：

这里演示一个简单的JavaScript正则表达式实例，将一串含有重复字符串中的多余字符滤除掉，请运行查看效果。

具体代码如下：

<html>
<head>
<title>利用正则表达法除去字符串中的重复字符</title>
</head>
<body>
<script language="javascript">
  str = "Google" 
  str1 = str.replace(/(.).*\1/g,"$1") 
  document.write(str + "<br>");
  document.write(str1);
</script>
</body>
</html>

运行结果如下：

Google
Gogle

希望本文所述对大家JavaScript程序设计有所帮助。

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