使用正则表达式检查Gmail的电子邮件地址

     


import java.util.*;

import java.util.regex.*;/**来自 时 代 J a v a - N o w J a v a . c o m**/

import java.util.Collections;


public class Main {


    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);

        int N = in.nextInt();

        String emailRegEx = ".+@gmail\\.com$";

        Pattern pattern = Pattern.compile(emailRegEx);

        List<String> myList = new ArrayList<String>();

        for(int a0 = 0; a0 < N; a0++){

            String firstName = in.next();

            String emailID = in.next();
            /**来自 
             时 代 J a v a**/

            Matcher matcher = pattern.matcher(emailID);

            if (matcher.find()){

                myList.add(firstName)