Java tutorial
//package com.java2s; //License from project: Open Source License import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static String getYoutubeIdFormUrl(String url) { String pattern = "(?<=watch\\?v=|/videos/|embed\\/)[^#\\&\\?]*"; Pattern compiledPattern = Pattern.compile(pattern); Matcher matcher = compiledPattern.matcher(url); if (matcher.find()) { return matcher.group(); } return ""; } }