是IPv6十六进制压缩地址

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//package com.nowjava;
/*
时 代 J a v a 公 众 号 - nowjava.com 提 供
*/

import java.util.regex.Pattern;


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(