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FilterString – Remove invalid characters from a string

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' Filter out all invalid characters in a string.Function FilterString(text As String, ValidChars As String) As String    Dim i As Long, result As String    For i = 1 To Len(text)        If InStr(ValidChars, Mid$(text, i, 1)) Then            result = result & Mid$(text, i, 1)        End If    Next    FilterString = resultEnd Function

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