See the specific grep-map code in my other answer. For this requirement, you would simply add a negative match to the grep block:

my @ids = grep { defined $_ && $_ !~ m{AA1X32ALFC60JT8} } map { match_
+id($_) } @lines_from_file;

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Bye
 PetaMem     All Perl:   MT, NLP, NLU

In reply to Re^3: Regex help by PetaMem
in thread Regex help by perlnoobster

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