package 正则表达式;@H_502_1@

@H_502_1@

import java.util.Scanner;@H_502_1@

@H_502_1@

public class test1 {@H_502_1@

@H_502_1@

public static void main(String[] args) {@H_502_1@

Scanner scan = new Scanner(System.in);@H_502_1@

String s = scan.next();@H_502_1@

boolean flag = s.matches("[a-z0-9]*[@][a-z0-9]*[.][a-z]*");@H_502_1@

if(flag){ //@前面的数字@qq . com@H_502_1@

System.out.println("输入的邮箱格式正确");@H_502_1@

return ;@H_502_1@

}else{@H_502_1@

System.out.println("错误的邮箱格式！");@H_502_1@

}@H_502_1@

@H_502_1@

}@H_502_1@

}@H_502_1@