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Editorial Team
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Editorial Team
Asked: June 7, 20262026-06-07T04:50:33+00:00 2026-06-07T04:50:33+00:00

How do I validate that a value is equal to the UUID4 generated by

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How do I validate that a value is equal to the UUID4 generated by this code?

uuid.uuid4().hex

Should it be some regular expression? The values generated of 32-character-long strings of this form:

60e3bcbff6c1464b8aed5be0fce86052
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  1. Editorial Team
    Editorial Team
    2026-06-07T04:50:34+00:00Added an answer on June 7, 2026 at 4:50 am

    Easy enough:

    import re
    uuid4hex = re.compile('[0-9a-f]{32}\Z', re.I)
    

    This matches only for strings that are exactly 32 hexadecimal characters, provided you use the .match() method (searches from the start of the string, see .search() vs. .match()). The \Z matches the end of the string (vs. $ which would match at the end of a string or a newline).

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