Regular Expressions 101

Community Patterns

IP v4 regular expression

0

Regular Expression
PCRE2 (PHP >=7.3)

/
^((25[0-5]|2[0-4]\d|1\d{2}|\d{1,2})\.){3}(25[0-5]|2[0-4]\d|1\d{2}|\d{1,2})$
/
gm

Description

Regular expression for IP v4 string. ^((25[0-5]|2[0-4]\d|1\d{2}|\d{1,2})\.){3}(25[0-5]|2[0-4]\d|1\d{2}|\d{1,2})$

Submitted by x-strong@foxmail.com - a year ago