Regular Expressions 101

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Community Patterns

1

UUID v7 Matching

PCRE2 (PHP >=7.3)
UUID v7 Resources: https://uuid7.com/ https://uuid.ramsey.dev/en/stable/rfc4122/version7.html https://www.ietf.org/archive/id/draft-peabody-dispatch-new-uuid-format-04.html#name-uuid-version-7 ...
Submitted by Regex by Ignacio del Corro / cxto21 - 10 months ago (Last modified 10 months ago)
0

Four-Digit Leap Years post-Y0 (AD/BCE) (Museum of Bad Data)

PCRE2 (PHP >=7.3)
This will match all four-digit years that are leap years, using the "either (multiple of four but not a multiple of 100) OR (multiple of 400)" rule. Explained / ^(...
Submitted by Philip Flip Kromer - 2 years ago (Last modified 10 months ago)
0

Date with leap years

PCRE2 (PHP >=7.3)
Accepting every date between 2010 to 2050. Format is YYYY-MM-DD hh:mm
Submitted by Sten - 2 years ago
0

Matches MM/DD/YYYY for the years 1800 through 2099

PCRE2 (PHP >=7.3)
Source: https://stackoverflow.com/questions/8647893/regular-expression-leap-years-and-more Seems to be valid for 1800 through 2099. Requires leading zeros. Matches MM/DD/YYYY format only.
Submitted by Andrew Macheret - 3 years ago