Java tutorial
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean checkEmail(String email) { String regex = "\\w+\\@\\w+\\.(com|cn|com.cn|net|org|gov|gov.cn|edu|edu.cn)"; return check(regex, email); } public static boolean check(String reg, String string) { boolean tem = false; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(string); tem = matcher.matches(); return tem; } }