删除重复字符js代码
-->

  <script type="text/vbscript">
        <!--
            dim str
            str="您好，欢迎来到三联"
            set regex = new regexp
            regex.pattern = "((.{1,3}?)2{2,})"
            regex.global = true
            regex.ignorecase = true
            set matches = regex.execute(str)   ' 执行搜索。
  for each match in matches      ' 循环遍历matches集合。
    alert("重复的字符:" & match.submatches(1))
    alert("整个重复的字符:" & match.submatches(0))
  next

        //-->
        </script>