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Tip of the Day
Language: VB4,VB5,VB6,VBS
Expertise: beginner
Oct 14, 2000



Application Security Testing: An Integral Part of DevOps

FormatPhoneNumber - Format a phone number

' Modify a phone-number to the format "XXX-XXXX" or "(XXX) XXX-XXXX".

Function FormatPhoneNumber(ByVal text As String) As String
    Dim i As Long
    ' ignore empty strings
    If Len(text) = 0 Then Exit Function
    ' get rid of dashes and invalid chars
    For i = Len(text) To 1 Step -1
        If InStr("0123456789", Mid$(text, i, 1)) = 0 Then
            text = Left$(text, i - 1) & Mid$(text, i + 1)
        End If
    ' then, re-insert them in the correct position
    If Len(text) <= 7 Then
        FormatPhoneNumber = Format$(text, "!@@@-@@@@")
        FormatPhoneNumber = Format$(text, "!(@@@) @@@-@@@@")
    End If
End Function
Francesco Balena
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