SplitScript reference / String / lastIndexOf

String.lastIndexOf

Method

String.lastIndexOf(substring: String) -> u32?

Finds the last exact substring and returns its UTF-8 byte offset.

Returns None when the substring is absent. An empty substring is found at the string's final byte boundary. Searching is allocation-free and case-sensitive.

Parameters

• substring: The substring to search for.

Effects: pure

Runtime behavior: available everywhere; synchronous

Examples

Find the final separator in a path

let separator = "/game/bin/game.exe".lastIndexOf("/") else return