lastIndexOf
lastIndexOf() Function
Finds the index in a string of the last occurrence of a substring in a string. If the substring does not occur in the string then -1 is returned. The index for the string starts at 0.
Usage
[h: ind = lastIndexOf(str, substr)]Example
[lastIndexOf("abcde", "c")]Returns 2
[lastIndexOf("abcde", "z")]