Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

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

public class Main {
    public static boolean isQQ(String qq) {
        Pattern p = Pattern.compile("^[0-9]{4,11}$");
        Matcher m = p.matcher(qq);
        return m.matches();
    }
}