in reply to Re: Flip-flop won't DWIM
in thread Flip-flop won't DWIM
So use the match-once operator (no need for an actual pattern; the empty pattern works fine):
Caution: Contents may have been coded under pressure.
print join ' ', grep scalar(??../D/), ('A'..'F');
Caution: Contents may have been coded under pressure.
In Section
Seekers of Perl Wisdom