Regular Expressions 101

Library entries

Match on Valid IP

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Regular Expression
pcre

/
\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

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Submitted by KyleV - 4 years ago