URL Regex Pattern

gistfile1.java

// Protocol : //[user: password]@host[:port]/path /[?query][#fragment]
  public static Pattern UrlPatt = Pattern
			.compile(
					"(?<protocol>.*?)://(?<loginfo>(?<user>.*?):(?<pwd>.*?)@)?(?<host>[^/]+)(?:(?<path>/[^\\?#]*)(?<query>\\?[^#]+)?)?(?<frag>#.*)?",
					Pattern.CASE_INSENSITIVE);

	public static void testUrlPatt() {
		String[] urls = {
				"https://www.google.com.hk/search?q=named+group+regex+java&oq=named+group+regex+java&aqs=chrome.0.57.5777j0&sourceid=chrome&ie=UTF-8#abc",
				"http://wfwei.github.io/posts/regex/#abc",
				"ftp://wfw:wfw@10.214.52.10:9999/?raw" };
		Matcher match;
		for (String url : urls) {
			match = UrlPatt.matcher(url);
			if (match.find()) {
				System.out
						.format("-----------------------------\n"
								+ "url:\t\t%s\nprotocol:\t%s\nloginfo:\t%s\nhost:\t\t%s\n"
								+ "path:\t\t%s\nquery:\t\t%s\nfragment:\t%s\n\n",
								match.group(), match.group("protocol"),
								match.group("loginfo"), match.group("host"),
								match.group("path"), match.group("query"),
								match.group("frag"));
			}
		}
	}