URL parser

LICENSE

DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 Mathieu ROBIN <http://www.mathieurobin.com>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

UrlParser.js

/**
 * Parse URL to get information
 *
 * @param   url     the URL string to parse
 * @return  parsed  the URL parsed or null
 */
var UrlParser = function (url) {
    "use strict";

    var regx = /^(((([^:\/#\?]+:)?(?:(\/\/)((?:(([^:@\/#\?]+)(?:\:([^:@\/#\?]+))?)@)?(([^:\/#\?\]\[]+|\[[^\/\]@#?]+\])(?:\:([0-9]+))?))?)?)?((\/?(?:[^\/\?#]+\/+)*)([^\?#]*)))?(\?[^#]+)?)(#.*)?/,
        matches = regx.exec(url),
        parser = null;

    if (null !== matches) {
        parser = {
            href              : matches[0],
            withoutHash       : matches[1],
            url               : matches[2],
            origin            : matches[3],
            protocol          : matches[4],
            protocolseparator : matches[5],
            credhost          : matches[6],
            cred              : matches[7],
            user              : matches[8],
            pass              : matches[9],
            host              : matches[10],
            hostname          : matches[11],
            port              : matches[12],
            pathname          : matches[13],
            segment1          : matches[14],
            segment2          : matches[15],
            search            : matches[16],
            hash              : matches[17]
        };
    }

    return parser;
};