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Tip of the Day
Language: VB4,VB5,VB6,VBS
Expertise: beginner
Jun 10, 2000

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FilterString - Remove invalid characters from a string

' 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 = result
End Function
Francesco Balena
 
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