indexOfOr

indexOfOr(target, source, or)

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

data-first

indexOfOr("hello world", "world", -1); // 6
indexOfOr("hello world", "foo", -1); // -1

data-last

pipe("hello world", indexOfOr("world", -1)); // 6
pipe("hello world", indexOfOr("foo", -1)); // -1