Java tutorial
//package com.java2s; //License from project: Apache License import java.net.MalformedURLException; import java.net.URL; public class Main { public static boolean isPlaylistUrl(String url) { if (url == null) { return false; } try { URL _url = new URL(url); String host = _url.getHost(); if (host == null) { return false; } if (!host.contains("nicovideo.jp")) { return false; } String path = _url.getPath(); if (path == null) { return false; } return path.startsWith("/search") || path.startsWith("/mylist"); } catch (MalformedURLException e) { } return false; } }