Regular Expressions 101

Community Patterns

1...56789...902

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
^(((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.?){4})\/(0?[1-9]|[12][0-9]|3[01])$
/
gm

Description

match "baseip/cidr"

Submitted by Erik - a year ago