The lastIndexOf() method returns the index within the calling String object of the last occurrence of the specified value, searching backwards from fromIndex. Returns -1 if the value is not found.
Install
Install all functions of strman
yarn add strman
or just the lastIndefOf function
yarn add strman.lastindexof
Usage
import { lastIndefOf } from 'strman'
// OR
import lastIndefOf from 'strman.lastindexof'
Parameters:
Name | Type | Attributes | Default | Description |
---|---|---|---|---|
value |
String | The String! |
||
needle |
String | Value to search. |
||
offset |
Number |
<optional> |
Offset to search. |
|
caseSensitive |
Boolean |
<optional> |
true | if you use caseSensitive to test. |
- Source:
Returns:
Return position of the last occurrence of 'needle'.
- Type
- Number
Example
const title = 'strman strman'
result = lastIndexOf(title, 'str')
// => 7