Asp清除html中style,javascript,css代码

<%
Function RemoveHTML(str)
Dim objRegExp, Match,strHTML
if isnull(str) then
str=""
end if
strHTML=str
strHTML=replace(replace(replace(strHTML,vblf,""),vbcr,""),vbcrlf,"")
Set objRegExp = New Regexp
objRegExp.IgnoreCase = True
objRegExp.Global = True
objRegExp.Pattern = "<script[^>]*?>.*?</script>"
strHTML = objRegExp.Replace(strHTML,"")
objRegExp.Pattern = "<style[^>]*?>.*?</style>"
strHTML = objRegExp.Replace(strHTML,"")
objRegExp.Pattern = "<. ?>"
strHTML = objRegExp.Replace(strHTML,"")
Set objRegExp = Nothing
RemoveHTML=strHTML
End Function
%>