replace (RegExp - JavaScript)

Replaces a substring.

Defined in

RegExp (Standard - JavaScript)

Syntax

replace(searchString:string, replaceValue:string) : string
Parameters Description
searchString The string to be searched.
replaceValue The replacement substring.
Return value Description
string The string with the replacement made.

Usage

This RegExp object defines the search criteria.

If the string does not contain the substring to be replaced, the return value is the original string.

Examples

This example returns Paris---Moscow---Tokyo.
var cities = new String("Paris   Moscow   Tokyo");
var regexp = new RegExp("(   )", "g");
return regexp.replace(cities, "---")