Regular Expressions 101

Community Patterns

IP Address validator

0

Regular Expression
ECMAScript (JavaScript)

/
^(?:(?: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]?)$
/

Description

Validates IPv4 IP Address

Submitted by krzysp, fty4 - 6 years ago