in reply to Matching terms in text
Please see Building Regex Alternations Dynamically.
use warnings; use strict; use Text::CSV; my %terms; my $csv = Text::CSV->new({ binary=>1, auto_diag=>2, sep_char=>"|" }); my $fh = *DATA; # normally you'd open() a file here while ( my $row = $csv->getline($fh) ) { my $id = shift @$row; @terms{@$row} = ($id) x @$row; } $csv->eof or $csv->error_diag; my ($regex) = map {qr/$_/} join '|', map {quotemeta} sort { length $b <=> length $a or $a cmp $b } keys %terms; my $input = q{2020 Ford F 250 is great but I prefer Tesla Model-V}; (my $output = $input) =~ s/($regex)/<$terms{$1}><$1>/g; use Test::More tests=>1; is $output, q{<2><2020 Ford F 250> is great but I prefer <1><Tesla Model-V>}; __DATA__ 1|Tesla S|Tesla model V|Tesla model|Tesla|Tesla Model-V 2|Ford RAM truck|2020 Ford Mustand|Ford ranger|Ranger|ford|2020 Ford F +-250|2020 Ford F 250|Ford F 250 3|GM Chevrolet|GM Chevy|GM Chevrolet 2020|Chevrolet|Chevy|Chevrolet 20 +20|GM Chevrolet volt|Chevrolet Captiva Sport|General motors|GM
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