lastIndexOfOr

function String.lastIndexOfOr<T>(
    target: string,
    source: string,
    or: T,
): number | T

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

Example

data-first

import { String } from "@monstermann/string";

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

data-last

import { String } from "@monstermann/string";

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