QQ账号验证

package cn.check.com;

import java.util.Scanner;

public class CheckQQDemo2 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入:");
        String ss=sc.nextLine();
        System.out.println(checkqq(ss));
        

    }
public static boolean checkqq(String qq){
    String regex="[1-9][0-9]{4,14}";//正则表达式
    
    return qq.matches(regex);
}
}