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jakobii/golang_uuid_regex.md

Last active February 5, 2020 18:01
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golang_uuid_regex.md

uuid regex in golang

the straght forward answer

[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}

add case insensitivity

(?i:[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12})

reduce repetition

(?i:[\dA-F]{8}-(?:[\dA-F]{4}-){3}[\dA-F]{12})
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