If perl supported variable length lookbehind, you could use a lookbehind at the end:

Just a data point but Perl has limited variable length lookbehind as an experimental feature since version 5.30, with support for up to 255 characters. https://perldoc.perl.org/perlexperiment#(Limited)-Variable-length-look-behind

In reply to Re^2: Driving the Engine right off the road by swl
in thread Driving the Engine right off the road by Intrepid

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