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 checkUserName(String username) {

        Pattern pattern = Pattern.compile("^[\\u4e00-\\u9fa5a-zA-Z][\\u4e00-\\u9fa5a-zA-Z0-9\\-]+$");
        Matcher matcher = pattern.matcher(username);
        return matcher.find();
    }
}