Regular Expressions 101

Library entries

Dotted Decimal IPv4 Adress (for programming languages)

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Regular Expression
pcre

/
\b(?:(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9]))\b
/
g

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Submitted by anonymous - 6 years ago