Get the video ID for a YouTube video from its YouTube URL

YouTubeUtils.java

/*
** Created by bapspatil
*/

private static String extractVideoId(String ytUrl) {
        String vId = null;
        Pattern pattern = Pattern.compile("(?<=watch\\\\?v=|/videos/|embed\\\\/|youtu.be\\\\/|\\\\/v\\\\/|\\\\/e\\\\/|watch\\\\?v%3D|watch\\\\?feature=player_embedded&v=|%2Fvideos%2F|embed%\\u200C\\u200B2F|youtu.be%2F|%2Fv%2F)[^#\\\\&\\\\?\\\\n]*");
        Matcher matcher = pattern.matcher(ytUrl);
        if (matcher.matches()){
            vId = matcher.group(1);
        }
        return vId;
}