Source: http://www.code-tips.com/2009/04/vbscript-string-clean-function-remove.html
Function strClean (strtoclean)
Dim objRegExp, outputStr
Set objRegExp = New Regexp
objRegExp.IgnoreCase = True
objRegExp.Global = True
objRegExp.Pattern = "[(?*"",\\<>&#~%{}+_.@:\/!;]+"
outputStr = objRegExp.Replace(strtoclean, "-")
objRegExp.Pattern = "\-+"
outputStr = objRegExp.Replace(outputStr, "-")
strClean = outputStr
End Function
Function strClean (strtoclean)
Dim objRegExp, outputStr
Set objRegExp = New Regexp
objRegExp.IgnoreCase = True
objRegExp.Global = True
objRegExp.Pattern = "((?![a-zA-Z0-9]).)+"
outputStr = objRegExp.Replace(strtoclean, "-")
objRegExp.Pattern = "\-+"
outputStr = objRegExp.Replace(outputStr, "-")
strClean = outputStr
End Function