Position = RInStr ( String AS String , Substring AS String [ , Start AS Integer , Comparison AS Integer ] )
Returns the position of the last occurrence of Substring in String from right to left.
If Start is specified, the search starts at the position Start.
Comparison can be one of the following value:
PRINT RInStr("Gambas is basic", "bas") <hr>11
PRINT RInStr("Gambas is basic", "bas", 10) <hr>4
PRINT RInStr("Gambas is basic", "not") <hr>0