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Community Library Entry
-1
Regular Expression
PCRE (PHP <7.3)
/
(
(?'ip4'
(
\d
{1,3}
\.
){3}
\d
{1,3}
)
|
(?'ip6'
(
(
[
0
-
9a
-
f
]
{1,4}
)?
:
){7}
(
[
0
-
9a
-
f
]
{4}
)?
)
)
/
gm
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Description
regex to capture ip4/ip6 addresses with named capture groups. The Following features are included:
PHP and python support
ip4 byte size check (ensures byte can't exceed 255)
ip6 checks if hex characters are valid
uses a negative lookbehind to check if the ip is a word on its own
named capture groups to facilitate extraction of either ip4 or ip6
Submitted by
Meryo
-
4 years ago