Regular Expressions 101

Community Patterns

ipv4 address

0

Regular Expression
ECMAScript (JavaScript)

/
(?=(\d{1,3}\.){3}\d{1,3})((?:(2[0-5]{2}|[1]?\d{1,2}))\.){3}(?:(2[0-5]{2}|[1]?\d{1,2}))(?![\.\d])
/
g

Description

no description available

Submitted by Xiaohui Xu - 8 years ago