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Title |
Test
Details
IPv6 (and IPv4) Address match with optional Port Number
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Expression |
(^|\s|(\[))(::)?([a-f\d]{1,4}::?){0,7}(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(?=(?(2)\]|($|\s|(?(3)($|\s)|(?(4)($|\s)|:\d)))))|((?(3)[a-f\d]{1,4})|(?(4)[a-f\d]{1,4}))(?=(?(2)\]|($|\s))))(?(2)\])(:\d{1,5})?
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Description |
Too complex for a short explanation. It doesn't check for valid IP ranges and it also doesn't obey the rule, that a double colon in IPv6 only can exist once in the address notation. The optional port match at the end can be omitted. The RegEx has been constructed the way, that if an explicit identification fails, the complete match fails. For example someone write "My adress:2001::1234" the match will fail 'cos of the leading colon, even though it's an valid IPv6 address. A "My adress: 2001::1234" or "My adress:[2001::1234]" will work. Beware, that the RegEx is build for case-insensitive usage and no whitespaces are allowed inside the address.
If you want to embed it into a larger RegEx, take into account to adjust the conditional matches wich refers to (?(2) -> (\[) inside (^|\s|(\[)) and (?(3) -> (::)? and (?(4) -> ([a-f\d]{1,4}::?) Works not perfectly, but I'm currently out of time.
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Matches |
::ffff:21:7.8.9.221 | 2001:0db8:85a3:08d3:1319:8a2e:0370:7344 | ::8a2e:0:0370:7344 | 2001:0db8:85a3:08d3:1319:8a2e:100.22.44.55 | 2001:0db8::8a2e:100.22.44.55 | ::100.22.44.55 | 100.22.44.55 | 100.22.44.55:80 | [::100.22.44.55]:8080 | [20ff::100.22.44.55]:8080
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Non-Matches |
20ff::100.22.44.55:8080 | ::8a2e:0:0370:7344.4 | 2001:0db8::8a2e:100.22.44.55:8080 | 2001:idb8::111:7.8.9.111 | 2001::100.a2.44.55 | :2001::100.22.44.55 | ffff:: (has to be fixed, 'cos a valid address)
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Author |
Rating:
Not yet rated.
Gerry
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Title |
Test
Details
IPv4 Address match
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Expression |
(?:^|\s)([a-z]{3,6}(?=://))?(://)?((?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.(?:25[0-5]|2[0-4]\d|[01]?\d\d?))(?::(\d{2,5}))?(?:\s|$)
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Description |
Address match with optional match of protocol and port. Use case-insensitive. The matching brackets are:
bracket 1 = optional protocol without :// -- bracket 3 = IPv4 address, with a more likely correct number range -- bracket 4 = optional port without : as an separator. Should work fine.
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Matches |
192.168.12.34 | 192.168.12.34:8080 | Link: https://202.133.76.34:80 | ftp://77.66.5.4
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Non-Matches |
262.133.76.34:80 | 262.133.76.34:1 | https:// 202.133.76.34:80 (matches not the protocol 'cos of the space)
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Author |
Rating:
Not yet rated.
Gerry
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