I think "threaded perl" means an interpreter compiled with -Dusethreads. It changes the output regardless of whether you use threads in the code or not.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re^17: Reusing a complex regexp in multiple spots, escaping the regexp by choroba
in thread Reusing a complex regexp in multiple spots, escaping the regexp by ecm

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