>How about the good old double chrtran?
>
>

>function SubAsci
>lParameters cAnyString,cAllowOnlySequence
>
>cFilteredString=chrtran(cAnyString, chrtran(cAnyString, cAllowOnlySequence, ""), "")
>return cFilteredString
>

UPDATE: Please disregard. I misread the code.