IPv6 验证

2022-09-03 15:25:33

我使用方法来验证IPv6,但是对于IPV6的ipv6地址/前缀长度格式(格式在RFC 4291第2.3节中提到)失败了。IPAddressUtil.isIPv6LiteralAddress (ipAddress)

有谁知道任何验证“ ipv6地址/前缀长度”格式的验证器?

IPV6的法律代表

  1. ABCD:EF01:2345:6789:ABCD:EF01:2345:6789
  2. 2001:DB8:0:0:8:800:200C:417A
  3. FF01:0:0:0:0:0:0:101
  4. 0:0:0:0:0:0:0:1
  5. 0:0:0:0:0:0:0:0
  6. 2001:DB8::8:800:200C:417A
  7. FF01::101
  8. ::1
  9. ::
  10. 0:0:0:0:0:0:13.1.68.3
  11. 0:0:0:0:0:FFFF:129.144.52.38
  12. ::13.1.68.3
  13. FFFF:129.144.52.38
  14. 2001:0DB8:0000:CD30:0000:0000:0000:0000:0000/60
  15. 2001:0DB8::CD30:0:0:0:0/60
  16. 2001:0DB8:0:CD30::/60

不是IPV6的法律代表

  1. 2001:0DB8:0:CD3/60
  2. 2001:0DB8::CD30/60
  3. 2001:0DB8::CD3/60

答案 1

你可以使用 Guava 库,特别是使用类,调用 isInetAddress()。com.google.common.net.InetAddresses


isInetAddress

public static boolean isInetAddress(String ipString)

如果提供的字符串是有效的 IP 字符串文本,则返回 true,否则返回 false。

参数:- 要作为 IP 字符串文本计算的字符串ipString

返回:如果参数是有效的 IP 字符串文本true


答案 2

看看这是否有效:

try {
    if (subjectString.matches(
        "(?ix)\\A(?:                                                  # Anchor address\n" +
        " (?:  # Mixed\n" +
        "  (?:[A-F0-9]{1,4}:){6}                                # Non-compressed\n" +
        " |(?=(?:[A-F0-9]{0,4}:){2,6}                           # Compressed with 2 to 6 colons\n" +
        "     (?:[0-9]{1,3}\\.){3}[0-9]{1,3}                     #    and 4 bytes\n" +
        "     \\z)                                               #    and anchored\n" +
        "  (([0-9A-F]{1,4}:){1,5}|:)((:[0-9A-F]{1,4}){1,5}:|:)  #    and at most 1 double colon\n" +
        " |::(?:[A-F0-9]{1,4}:){5}                              # Compressed with 7 colons and 5 numbers\n" +
        " )\n" +
        " (?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\\.){3}  # 255.255.255.\n" +
        " (?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])           # 255\n" +
        "|     # Standard\n" +
        " (?:[A-F0-9]{1,4}:){7}[A-F0-9]{1,4}                    # Standard\n" +
        "|     # Compressed\n" +
        " (?=(?:[A-F0-9]{0,4}:){0,7}[A-F0-9]{0,4}               # Compressed with at most 7 colons\n" +
        "    \\z)                                                #    and anchored\n" +
        " (([0-9A-F]{1,4}:){1,7}|:)((:[0-9A-F]{1,4}){1,7}|:)    #    and at most 1 double colon\n" +
        "|(?:[A-F0-9]{1,4}:){7}:|:(:[A-F0-9]{1,4}){7}           # Compressed with 8 colons\n" +
        ")/[A-F0-9]{0,4}\\z                                                    # Anchor address")) 
        {
        // String matched entirely
    } else {
        // Match attempt failed
    } 
} catch (PatternSyntaxException ex) {
    // Syntax error in the regular expression
}

大约一年前,我购买了一个名为RegexMagic的非常有用的程序,用于我计划使用的一些复杂的正则表达式。

这被认为是Java,所以它应该编译,我假设/60可以在0000和FFFF的范围之间,你可以修改最后一部分。

/[A-F0-9]{0,4} 是我添加到正则表达式中以匹配您的示例的内容。