I think I would reverse it as qr/(.*?)(\d+)(A)(?=\2)/. But I'm not at all sure how to make a rule I could apply to a YAPE::Regex tree.
Caution: Contents may have been coded under pressure.

In reply to Re^8: Regex::Reverse tricky test cases by Roy Johnson
in thread Regex::Reverse tricky test cases by Roy Johnson

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