my @phrases = (
               'phrase one',
               'phrase two',
               'a different phrase',
               'yet another match',
               'one more to match',
               'single',
               'word',
               'matches'
              );

my $regex = join '|', map { "\Q$_\E" } @phrases;
my $regex = qr($regex);

if ($incoming{text} =~ /$regex/) {
  # ...
}