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Java 检查参数是否为有效的压缩IPv6地址

欢马劈雪

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检查参数是否为有效的压缩IPv6地址

实例源码：

源代码：

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/**

* 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.

//package com.nowjava;

import java.util.regex.Pattern;
/** 
来 自 
nowjava
**/

public class Main {

public static void main(String[] argv) throws Exception {

String input = "nowjava.com";

System.out.println(isIPv6HexCompressedAddress(input));

}

private static final Pattern IPV6_HEX_COMPRESSED_PATTERN = Pattern

.compile("^(([0-9A-Fa-f]{1,4}(:[0-9A-Fa-f]{1,4}){0,5})?)" // 0-6 hex fields

+ "::"

+ "(([0-9A-Fa-f]{1,4}(:[0-9A-Fa-f]{1,4}){0,5})?)$");

private static final char COLON_CHAR = ':';

private static final int MAX_COLON_COUNT = 7;
/*nowjava.com - 时代Java*/

/**

* Checks whether the parameter is a valid compressed IPv6 address

* @param input the address string to check for validity

* @return true if the input parameter is a valid compressed IPv6 address

public static boolean isIPv6HexCompressedAddress(final String input) {
/**代码未完, 请加载全部代码(NowJava.com).**/

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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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