Regular Expressions 101

Community Patterns

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^((25[0-5]|2[0-4][0-9]|1[0-9]{2}|(0(?=\d\d))?((?<=\d)0|[1-9]?)[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|(0(?=\d\d))?((?<=\d)0|[1-9]?)[0-9])$
/
gm

Description

match ip address

Submitted by anonymous - 8 years ago