Javascript String Multireplace

multi-replace.js

/*
 * Add a function to String prototype to do multiple regex 
 * Credit goes to @datanizze
 * Licence: Public domain
 */

if(String.prototype.multiReplace === undefined) {
    String.prototype.multiReplace = function(match, replace) {
        var output = this;
        for (var i in match) {
          output = output.replace(new RegExp(match[i], "gi"), replace[i]);
        }
            return output;
    };
}