js 正则 过滤尖括号

<script >
Function nohtml(str)
dim re
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
re.Pattern="<(.[^>]*)>"
str=re.replace(str,"")
nohtml=str
set re=nothing
End Function
alert(nohtml("<b>留下</b><a href='www.baidu.com'>也留下</a>"))
</script>