Regular Expressions 101

Community Patterns

ipv4

0

Regular Expression
ECMAScript (JavaScript)

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

Description

IPv4 string check in JavaScript RegEx

Submitted by clarkttfu@gmail.com - 2 years ago