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Microsoft: Access Modules (VBA Coding) FAQ

Functions

How to Strip unwanted chars from a string
Posted: 24 Jul 03

' --------------------------------------------------
' Function StripString()
'
' Returns a string minus a set of specified chars.
' --------------------------------------------------
Function StripString(MyStr As Variant) As Variant
    On Error GoTo StripStringError

    Dim strChar As String, strHoldString As String
    Dim i As Integer

    ' Exit if the passed value is null.
    If IsNull(MyStr) Then Exit Function

    ' Exit if the passed value is not a string.
    If VarType(MyStr) <> 8 Then Exit Function

    ' Check each value for invalid characters.
    For i = 1 To Len(MyStr)
        strChar = Mid$(MyStr, i, 1)
        Select Case strChar
            Case ".", "#", ",", "-", " "
                  ' Do nothing
            Case Else
                strHoldString = strHoldString & strChar
        End Select
    Next i

    ' Pass back corrected string.
    StripString = strHoldString

StripStringEnd:
         Exit Function

StripStringError:
         MsgBox Error$
         Resume StripStringEnd

End Function

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