Regular Expressions 101

Community Patterns

IPv4 and port (optional) validator

1

Regular Expression
PCRE (PHP <7.3)

/
\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?::[0-9]{1,4})?\b
/

Description

no description available

Submitted by co_Opernicus - 8 years ago