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UUID format

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  • From: Paul Gazda <>
  • To: Grouper Users Mailing List <>
  • Subject: UUID format
  • Date: Tue, 16 Jun 2009 09:44:37 -0700
  • Accept-language: en-US
  • Acceptlanguage: en-US

Every uuid I have seen has a format of 8 hex digits, dash, 4 hex digits, dash, 4 hex digits, dash, 12 hex digits.

E.g. 5ea48635-e15d-4cd4-bde2-c0a4c356d388


Is that format fixed, or can it change? I want to know if I can determine whether a string is a uuid by matching that pattern.




Paul Gazda


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