Home >php教程 >php手册 >PHP IPV6正则表达式验证代码

PHP IPV6正则表达式验证代码

WBOY
WBOYOriginal
2016-06-13 12:18:371443browse

复制代码 代码如下:


// literally from the ABNF in rfc3986 (thanks to 'WCP')
function validateIPv6($IP)
{
return preg_match('/\A
(?:
(?:
(?:[a-f0-9]{1,4}:){6}

::(?:[a-f0-9]{1,4}:){5}

(?:[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){4}

(?:(?:[a-f0-9]{1,4}:){0,1}[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){3}

(?:(?:[a-f0-9]{1,4}:){0,2}[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){2}

(?:(?:[a-f0-9]{1,4}:){0,3}[a-f0-9]{1,4})?::[a-f0-9]{1,4}:

(?:(?:[a-f0-9]{1,4}:){0,4}[a-f0-9]{1,4})?::
)
(?:
[a-f0-9]{1,4}:[a-f0-9]{1,4}

(?:(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}
(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])
)

(?:
(?:(?:[a-f0-9]{1,4}:){0,5}[a-f0-9]{1,4})?::[a-f0-9]{1,4}

(?:(?:[a-f0-9]{1,4}:){0,6}[a-f0-9]{1,4})?::
)
)\Z/ix',
$IP
);
}
?>

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn