Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

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

public class Main {

    public static boolean isPhoneNumberValid(String phoneNumber) {
        if ((phoneNumber == null) || (phoneNumber.trim().equals(""))) {
            return false;
        }
        boolean isValid = false;
        String expression_r_r = "^\\(?(\\d{3})\\)?[- ]?(\\d{3})[- ]?(\\d{5})$";
        Pattern pattern = Pattern.compile(expression_r_r);
        Matcher matcher = pattern.matcher(phoneNumber);
        if (matcher.matches()) {
            isValid = true;
        }
        return isValid;
    }
}