Regular Expressions 101

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Community Patterns

0

Match IP (ipv4) addresses: [0.0.0.0]-[255.255.255.255]

PCRE (PHP <7.3)
Matches ranges from 0-255 for all four octets. Extra leading or trailing '.' invalidate the match, as do values > 255.
Submitted by OnlineCop - 10 years ago
-2

Find a IPV4

ECMAScript (JavaScript)
no description available
Submitted by Jon Dotsoy - 10 years ago
2

Dotted Decimal IPv4 Adress (for programming languages)

PCRE (PHP <7.3)
Searches for dotted decimal IPv4 Adresses and saves the numbers in match groups.
Submitted by anonymous - 10 years ago
2

IPv4

PCRE (PHP <7.3)
no description available
Submitted by Jorge C. - 11 years ago
0

IPv4 private network address

PCRE (PHP <7.3)
Check if the given string is a private address
Submitted by Loïc Rameau - 11 years ago
-2

Regular expression for both IPv6 and IPv4 URL

PCRE (PHP <7.3)
no description available
Submitted by Henry Li - 11 years ago
1

IPv4&IPv6 URL validation regular expression

PCRE (PHP <7.3)
no description available
Submitted by Henry Li - 11 years ago
1

IPv4 extraction

Python
no description available
Submitted by Jacob - 11 years ago
0

Dotted-decimal IPv4 address

PCRE (PHP <7.3)
Validates an IPv4 address for use as a URI host as defined in RFC-3986.
Submitted by ezzatron - 12 years ago
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