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) {
        boolean isValid = false;
        String expression = "((^(1|2)[0-9][0-9]{9}$)|(^0[1,2]{1}\\d{1}-?\\d{8}$)|(^0[3-9] {1}\\d{2}-?\\d{7,8}$)|(^0[1,2]{1}\\d{1}-?\\d{8}-(\\d{1,4})$)|(^0[3-9]{1}\\d{2}-? \\d{7,8}-(\\d{1,4})$))";
        Pattern pattern = Pattern.compile(expression);
        Matcher matcher = pattern.matcher(phoneNumber);
        if (matcher.matches()) {
            isValid = true;
        }
        return isValid;
    }
}