Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.regex.Pattern;

public class Main {
    private static final String IPADDRESS_PATTERN = "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
            + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
            + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";

    public static boolean validateIp(String ip) {
        Pattern ipVal = Pattern.compile(IPADDRESS_PATTERN);
        return ipVal.matcher(ip).matches();
    }
}