lastIndexOf

Owned by Jonathan Muse
Last updated: Nov 20, 2024
1 min read

Description

Returns the index within a string of the last occurrence of the specified substring. Returns the index of the last match of the str2 in str1 or -1 if str2 is nowhere to be found in str1.

Parameters

Return Type

Number

Examples

Example 1

wret = lastIndexOf("f1/f2/f3", "/f"); print("Return " + wret);

Print Return 5

Example 2

wret = lastIndexOf("f1/f2/f3", "/fi"); print("Return " + wret);

Print Return -1

Example 3

wret = lastIndexOf("f1/f2", ""); print("Return " + wret);

Print Return 5

The last occurrence of the empty string "" is considered to occur at the index value str1.length().
If you need to find str2 multiple times use substring() function.

See also