Puoi anke fare cosi'
codice:Function CercaStringa ( byVal Stringa As String ) As Boolean DIM Index as Integer DIM Flag as Boolean Index =0 Flag = False while Index <= len(Stringa) And Flag = False Index = index + 1 if mid(Stringa,Index,1) = "carattere da cercare" Then Flag = True wend CercaStringa = Flag End Function