Regular Expressions 101

Community Patterns

IP Addresses

1

Regular Expression
PCRE (PHP <7.3)

/
(((1[0-9]{2})|(2[0-5]{2})|[0-9]{1,2})\.){3}(((1[0-9]{2})|(2[0-5]{2})|[0-9]{1,2}))
/
g

Description

Matches IP Addresses with minimum false positives

Submitted by Austin-Hanson - 9 years ago