79696686

Date: 2025-07-10 07:51:05
Score: 2.5
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The solution is to anchor every group separately, like so:
(^\d+,\d+[acd]\d+,\d+$)|(^\d+[acd]\d+,\d+$)|(^\d+,\d+[acd]\d+$)|(^\d+[acd]\d+$)

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Posted by: Molnár Áron