is IPv6 Address by regex - Java java.util.regex

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

Description

is IPv6 Address by regex

Demo Code

/* / / w w w . j a v a 2 s . c o m * -------------------------------------------------------------------- * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * -------------------------------------------------------------------- * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. //package com.java2s; import java.util.regex. Pattern ; public class Main { public static void main( String [] argv) throws Exception { String input = "java2s.com" ; System .out.println(isIPv6Address(input)); private static final Pattern IPV6_STD_PATTERN = Pattern .compile( "^(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$" ); private static final Pattern IPV6_HEX_COMPRESSED_PATTERN = Pattern .compile( "^((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)$" ); public static boolean isIPv6Address( final String input) { return isIPv6StdAddress(input) || isIPv6HexCompressedAddress(input); public static boolean isIPv6StdAddress( final String input) { return IPV6_STD_PATTERN.matcher(input).matches(); public static boolean isIPv6HexCompressedAddress( final String input) { return IPV6_HEX_COMPRESSED_PATTERN.matcher(input).matches();