Dim zm As String = "abcdefghijklmnopqrstuvwxyz" Dim jz As String = "i love foxtable" Dim nr As String For i As Integer =0 To jz.Length-1 If zm.Contains(jz.Chars(i)) Then nr += zm.IndexOf(jz.Chars(i))+1 & "," End If Next output.show(nr) 9,12,15,22,5,6,15,24,20,1,2,12,5,