Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean isUrlCorrect(String url) { if (url != null) { String check = "(http|ftp|https):\\/\\/[\\w\\-_]+(\\.[\\w\\-_]+)+([\\w\\-\\.,@?^=%&:/~\\+#]*[\\w\\-\\@?^=%&/~\\+#])?"; Pattern regex = Pattern.compile(check); Matcher matcher = regex.matcher(url); return matcher.matches(); } return false; } }