RInStr
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:
If the substring is not found, this function returns zero.
Exemplo
PRINT RInStr("Gambas is basic", "bas")
11
PRINT RInStr("Gambas is basic", "bas", 10)
4
PRINT RInStr("Gambas is basic", "not")
0