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c:\@Work\Perl\monks>perl -wMstrict -le "my @GI = ( ... " 'WP_938420210.1' in 'gi|Q384722390|emb|WP_938420210.1|Gene name' 'WP_934203412.1' in 'gi|342546780|emb|WP_934203412.1|Gene name'
my $n = 12; GENE: ... my ($acc) = $gi =~ m{ \A .{$n,}? (?<= [|]) ($rx_acc) (?= [|]) }xms +o; print qq{'$acc' in '$gi'}; }