lastIndexOfOr

lastIndexOfOr(target, source, or)

Returns the index of the last occurrence of source string in target string, or the or value if not found.

data-first

lastIndexOfOr("hello world hello", "hello", -1); // 12
lastIndexOfOr("hello world", "foo", -1); // -1

data-last

pipe("hello world hello", lastIndexOfOr("hello", -1)); // 12
pipe("hello world", lastIndexOfOr("foo", -1)); // -1