Regular Expressions 101

Community Patterns

IPv4 address validation

0

Regular Expression
PCRE2 (PHP >=7.3)

/
^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$
/
gm

Description

validation of IPv4 addresses

Submitted by @unblog - a year ago