用户名密码正则判断

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Created by Administrator on 2016/9/5.
 */
public class Testzhengze {
    public static void main(String[] args) throws Exception {
        String username="66hh_7777777777777777777777777777777777777777777777777777777";
        String password="password";
        String regex = "^[A-Za-z0-9_-]{1,60}+$";
        String regex1="((?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%]).{6,20}+)";
        Pattern w=Pattern.compile(regex1);
        Matcher wk=w.matcher(password);
        Pattern p = Pattern.compile(regex);
        Matcher m = p.matcher(username.trim());
        boolean tem = m.matches();
        boolean pw=wk.matches();
        if(tem==false){

            System.out.println("用户名输入错误");
        }
        if(pw==false){

            System.out.println("密码格式不对");
        }
        System.out.println("正确");
    }

}