Regular Expressions 101

Community Patterns

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)
/
gm

Description

Check if IP is a valid IP.

http://happinesspig.com

Submitted by Rachel - 6 years ago