Regular Expressions 101

Community Patterns

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

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

Description

Submitted by anonymous - 5 months ago