VB Code:
  1. Dim i As Integer, s As String
  2.         For i = 0 To Listbox1.Items.Count - 1
  3.             s = ListBox1.Items.Item(i).ToString
  4.             Listbox1.Items.Item(i) = (i + 1).ToString & "." & s.Remove(0, Len(s.Split(" ")(0))) & " " & s.Split(" ")(0)
  5.         Next