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[發問] 身分證代碼

Private Sub Worksheet_Change(ByVal Target As Range)
Dim T, i%, S
With Target
   If .Count > 1 Then Exit Sub
   If Intersect([H5:H6], .Cells) Is Nothing Then Exit Sub
   Application.EnableEvents = False
   .Value = UCase(.Value)
   Application.EnableEvents = True
      
   If Not .Value Like "[A-Z]#########" Then MsgBox "身份證輸入錯誤!!": Exit Sub
   T = InStr("ABCDEFGHJKLMNPQRSTUVXYWZIO", Left(.Value, 1)) + 9 & Mid(.Value, 2, 8)
   For i = 1 To 10
     S = S + Mid(T, i, 1) * Left(11 - i, 1)
   Next i
   T = Right(10 - Right(S, 1), 1)
   If T <> Mid(.Value, 10, 1) Then MsgBox "身份證字號錯誤!檢查碼:" & T
End With
End Sub

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