ActionScript for Flash MX: The Definitive Guide, Second Edition

String.lastIndexOf() Method

This is the Title of the Book, eMatter Edition

Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.

810

|

ActionScript Language Reference

// Increment score if guess contains "einstein"

if (search(guess, answer)) {

score++;

}

See Also

String.charAt(), String.lastIndexOf(), String.toLowerCase(); “The indexOf() function,” in

Chapter 4

String.lastIndexOf() Method

find the last occurrence of a substring in a string

Flash 5

string.lastIndexOf(substring)

string.lastIndexOf(substring, startIndex)

Arguments

substring A string containing the character or characters for which to search.

startIndex An optional integer position in

string at which to start the search for

substring. The string is searched backward from startIndex, which should

be in the range of 0 (the first character) to

string.length – 1 (the last char-

acter). Defaults to

string.length – 1.

Returns

The position of the last occurrence of substring in string prior to startIndex. Returns –1 if

substring is not found prior to startIndex in string.

Description

The lastIndexOf() method is used to search for the last occurrence of a substring in a string

or to check whether a string contains a certain substring. The search is case-sensitive. Use

toLowerCase() to ensure a case-neutral search, as shown in the Example under String.

indexOf().

Example

URL = "http://www.moock.org/webdesign/flash/fillthewindow.html";

// Finds the ...