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A comment on Is there a regular expression to detect a valid regular expression?. Parent comment

Re:Is there a regular expression to detect a valid regular e... by lonelappde on Sunday September 08, 2019 @10:32AM (#20910779)
Yes but it's mostly useless, since it can't match (variable-count) repeated strings of length greater than 1. Goruping isn't only about extraction.
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