Java IP Address Validate isIP(String ipString)

Description

is IP

License

Open Source License

Declaration

public static boolean isIP(String ipString) 

Method Source Code

//package com.java2s;
/*//  w w w .j a va  2 s  .c  o m
 * AdcUtils.java
 *
 * Created on 04 martie 2007, 13:20
 *
 * DSHub AdcUtils HubSoft
 * Copyright (C) 2007,2008  Eugen Hristev
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

import java.util.regex.Pattern;

public class Main {
    private static final Pattern COMPILE = Pattern
            .compile("\\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\."
                    + "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\."
                    + "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\."
                    + "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b");

    public static boolean isIP(String ipString) {
        return COMPILE.matcher(ipString).matches();
    }
}

Related

1. isIp(Object obj)
2. isIP(String input)
3. isIp(String ip)
4. isIP(String ip)
5. isIp(String ipAddress)
6. isIp(String s)
7. isIP(String src)
8. isIP(String str)
9. isIp(String str)