- TIBCO BusinessEvents®
- Standard
- String

# String.lastIndexOfString()

## Signature

`int lastIndexOfString (String s1, int fromIndex, String s2)`

## Domain

ACTION, CONDITION, QUERY, BUI

## Description

Finds the index of the last occurrence of `s2` within `s1` that is at, or after, `fromIndex`.

## Parameters

Name | Type | Description
--- | --- | ---
`s1` | `String` | A String to search.
`fromIndex` | `int` | A position within `s1`.
`s2` | `String` | A String to find within `s1`.

## Returns

Type | Description
--- | ---
`int` | The index within the String `s1` of the last occurrence of the String `s2`.

## Cautions

none

## Example

int result = String.lastIndexOfString("This is a test. This is a test.", 3, "is ");
Result is: 21