Regular Expressions 101

Community Patterns

IPv4 dotted decimal

2

Regular Expression
ECMAScript (JavaScript)

/
^([0-2]+\d[0-5]?|[1]\d?\d+|[1-9][0-9])\.([0-2]?\d[0-5]?|[1]\d?\d+|[1-9][0-9])\.([0-2]?\d[0-5]?|[1]\d?\d+|[1-9][0-9])\.([0-2]?\d[0-5]?|[1]\d?\d+|[1-9][0-9])$
/
g

Description

This regexp was written for Regex Tuesday Challenge - Week Six.

Submitted by anonymous - 7 years ago