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This probably shows that I don't know much about UUIDs, but how come when I search for "asd" or "den", there are no matches?



UUIDv4s use hexadecimal digits which are the characters 0-9 and then a-f so neither of 's' or 'n' could be contained in a UUIDv4.


These are hexadecimal digits, so only 0-9 and a-f are allowed.


Its hex. Only characters A-F are used.




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