Regular Expressions 101

Community Patterns

1...34567...901

Community Library Entry

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 - 2 years ago