Java tutorial
//package com.java2s; //License from project: Open Source License import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { /** * Validates email address * @param email The address to validate * @return True if it is valid. */ public static boolean validEmail(String email) { String regex = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$"; Pattern pattern = Pattern.compile(regex); Matcher matcher = pattern.matcher(email); return matcher.matches(); } }