Pure JavaScript

String.replace()

JavaScript1.2+, JScript3.0+ NES3+, Nav4+, IE4+ Syntax

							string.replace(regexpression, replacestring)

Description

The replace() method of an instance of the String object searches the string in which it is invoked for the regular expression passed to the method. The regular expression is made up of a pattern and flags that dictate what is to be matched. If and when a match is found, the method returns a new string with that match replaced with the replacement string passed to the method.

Tip

See the reference entry for RegExp for a list of the patterns and flags that can be used to create a regular expression.

Example

Listing 6.247 creates an instance of the String object. This instance is then searched through to see ...