PHP IPV6 regular expression verification code_PHP tutorial

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
);
}
?>

http://www.bkjia.com/PHPjc/321275.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/321275.htmlTechArticle复制代码 代码如下: ?php // literally from the ABNF in rfc3986 (thanks to 'WCP') function validateIPv6($IP) { return preg_match('/A (?: (?: (?:[a-f0-9]{1,4}:){6} ::(?:[a-f0...