ó ¬ê)Nc@s^ddlZejdƒZejdejejBƒZejdejejBejBƒZdS(iÿÿÿÿNs[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+s ^ (?: # Dotted variants: (?: # Decimal 1-255 (no leading 0's) [3-9]\d?|2(?:5[0-5]|[0-4]?\d)?|1\d{0,2} | 0x0*[0-9a-f]{1,2} # Hexadecimal 0x0 - 0xFF (possible leading 0's) | 0+[1-3]?[0-7]{0,2} # Octal 0 - 0377 (possible leading 0's) ) (?: # Repeat 0-3 times, separated by a dot \. (?: [3-9]\d?|2(?:5[0-5]|[0-4]?\d)?|1\d{0,2} | 0x0*[0-9a-f]{1,2} | 0+[1-3]?[0-7]{0,2} ) ){0,3} | 0x0*[0-9a-f]{1,8} # Hexadecimal notation, 0x0 - 0xffffffff | 0+[0-3]?[0-7]{0,10} # Octal notation, 0 - 037777777777 | # Decimal notation, 1-4294967295: 429496729[0-5]|42949672[0-8]\d|4294967[01]\d\d|429496[0-6]\d{3}| 42949[0-5]\d{4}|4294[0-8]\d{5}|429[0-3]\d{6}|42[0-8]\d{7}| 4[01]\d{8}|[1-3]\d{0,9}|[4-9]\d{0,8} ) $ sÉ ^ \s* # Leading whitespace (?!.*::.*::) # Only a single whildcard allowed (?:(?!:)|:(?=:)) # Colon iff it would be part of a wildcard (?: # Repeat 6 times: [0-9a-f]{0,4} # A group of at most four hexadecimal digits (?:(?<=::)|(?s !