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Private Function IncreaseString(ByVal src As String) As String
If Not String.IsNullOrEmpty(src) Then
For I As Integer = src.Length - 1 To 0 Step -1
If Not Char.IsDigit(src(I)) Then
Return src.Substring(0, I + 1) & CLng(ChrW(48) & src.Substring(I + 1)) + 1
End If
Next
End If
Return (CLng(ChrW(48) & src) + 1).ToString
End Function