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 isValidIpAddress(String input) {
        String ipv4Regex = "(([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([01]?\\d\\d?|2[0-4]\\d|25[0-5])";
        String ipv6Regex = "([0-9a-f]{1,4}:){7}([0-9a-f]){1,4}";
        Pattern ipv4Pattern = Pattern.compile(ipv4Regex);
        Pattern ipv6Pattern = Pattern.compile(ipv6Regex);

        Matcher ipv4Matcher = ipv4Pattern.matcher(input);
        if (ipv4Matcher.matches())
            return true;
        Matcher ipv6Matcher = ipv6Pattern.matcher(input);
        return ipv6Matcher.matches();
    }
}