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Regex Examples and Cookbook/UUID shape

Match a standard hyphenated UUID.

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Section: Validation Recipes

UUID shape

regex
regex
^[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}$
Explanation

Covers UUID versions 1–5 and the standard variant bits.

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