Regular Expressions 101

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Community Patterns

0

ipv4 addresses

Python
Valid ip addreses
Submitted by anonymous - 3 years ago
0

IPV4 Grabber

PCRE2 (PHP >=7.3)
This expression grabs any IPV4 address from any text, any time, anywhere. Hopefully.
Submitted by Ricardo Chica - 3 years ago (Last modified 3 years ago)
0

Find IPv6

PCRE (PHP <7.3)
Find ip address with ipv6
Submitted by anonymous - 8 years ago
0

Match IPv4 with CIDR mask

Python
Parses data to match IPv4 addresses along with CIDR mask.
Submitted by anonymous - 3 years ago
0

Host from URL

PCRE (PHP <7.3)
Pulling host domain from URL that can be in any format (protocol listed or not, path listed or not, IPv4 or 6 addresses, port)
Submitted by Drew G - 8 years ago
0

Remove leading zeros (on the left) on ipv4 (ip v4)

ECMAScript (JavaScript)
Regex to remove leading (on the left) zeros on ipv4 (ip v4) Source: https://autohotkey.com/board/topic/15491-regex-to-strip-leading-zeroes-out-of-an-ip-address-octet/
Submitted by YMP - 4 years ago
0

IPv4 non zero first and last octet

PCRE2 (PHP >=7.3)
When validating an IPv4 address I often have to reject devices that the first and last octet are 0.
Submitted by John Cutburth - 4 years ago
0

IPv4 matcher

Python
find all IPv4 addresses in text
Submitted by anonymous - 7 years ago
0

ipv4

PCRE2 (PHP >=7.3)
Find ipv4 addresses
Submitted by anon - 3 years ago
0

IP Addresses

PCRE (PHP <7.3)
This Regex finds IPv4 addresses
Submitted by anonymous - 7 years ago
0

IPv4 input field validator

PCRE (PHP <7.3)
Use It for partial/complete IPv4 address input text checking. OK examples: 19 / 192. / 192.168.1 / 192.168.1.1 / 0.0.0.0 KO examples: 1A / 01 / 192.168..1
Submitted by José Luis García Morillo - 3 years ago
0

IP Address Validator

Java 8
Validates IPv4 Address for Java
Submitted by krzysp, jpalvesloiola - 3 years ago
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