Regular Expressions 101

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Regular Expression
Created·2022-11-23 00:07
Flavor·PCRE2 (PHP)

/
(([0][1-9]|[1][0-2]):([0-5][0-9])([p][m]))|(([0][0-9]|[1][01]):([0-5][0-9])([a][m]))
/
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Description

Define hour at 12 hours

Submitted by anonymous