Regular Expressions 101

Community Patterns

Match on Valid IP

1

Regular Expression
PCRE (PHP <7.3)

/
\b(?:(?:25[0-5]|2[0-4][0-9]|1?[1-9][0-9]?|10[0-9])(?:(?<!\.)\b|\.))(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:(?<!\.)\b|\.)){3}
/
g

Description

Match on VALID IP address anywhere in string.

Submitted by KyleV - 6 years ago