Dim TextToSpeak As String
Dim sDelimiter As String = "."
Dim iEnd As Int = 1000
Dim iu2 As Int
For i = 1 To 110 ' TextToSpeak will be 1,100 long
TextToSpeak = TextToSpeak & "asd.dsa.12"
Next
iu2 = TextToSpeak.LastIndexOf2(sDelimiter, iEnd)
Log(iu2) ' 997 - correct