Regex for UUID (v4-ish)
Matches an RFC-4122 UUID string.
^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$
Proof it works
| Sample | Should match | Result |
|---|---|---|
123e4567-e89b-12d3-a456-426614174000 |
yes | pass |
123e4567e89b12d3a456426614174000 |
no | pass |
not-a-uuid |
no | pass |