is IPv4 Literal Address by regex - Java java.util.regex

Java examples for java.util.regex:Match IP Address

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Description

is IPv4 Literal Address by regex

Demo Code

/**/*from   w  w w.  j  av a 2  s.  c o  m*/
     * Author Rigoberto Leander Salgado Reyes <rlsalgado2006@gmail.com>
     * <p>
     * Copyright 2015 by Rigoberto Leander Salgado Reyes.
     * <p>
     * This program is licensed to you under the terms of version 3 of the
     * GNU Affero General Public License. This program is distributed WITHOUT
     * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
     * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
     * AGPL (http:www.gnu.org/licenses/agpl-3.0.txt) for more details.
     */
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        String var0 = "java2s.com";
        System.out.println(isIPv4LiteralAddress(var0));
    }

    public static boolean isIPv4LiteralAddress(String var0) {
        return var0
                .matches("(([1-9]|[1-9]\\d|[1]\\d\\d|[2][0-4]\\d|[2][5][0-5]|0).){3}([1-9]|[1-9]\\d|[1]\\d\\d|[2][0-4]\\d|[2][5][0-5]|0)");
    }
}

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