my @excerpts = $fc =~ /(?n:$re2)/g;

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From perlre:

n
Prevent the grouping metacharacters () from capturing. This modifier, new in 5.22 ...

- tye        

In reply to Re: Behavior of /g when there are capture groups (/n) by tye
in thread Behavior of /g when there are capture groups by ExReg

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