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use warnings; $sentence='kinase inhibitor SET6 activates p16(INK4A) in cell-wall.'; ... my $phrases_re = join '|', map { quotemeta } @phrases; $sentence =~ s/(^| )($phrases_re)(?= |$)/$1#$2#/g; print $sentence, "\n";
kinase #inhibitor# #SET6# activates #p16(INK4A)# in cell-wall.
$sentence =~ s/(^| )($phrases_re)( |$)/$1#$2#$3/g for 0, 1;
use 5.010; given ($sentence) { s/ / /g; s/(^| )($phrases_re)( |$)/$1# +$2#$3/g; s/ / /g; }
my %phrase; $phrase{$_}++ for @phrases; my @sentence = split /( +)/, $sentence; for (@sentence) { $phrase{$_} and $_ = "#" . $_ . "#"; }; $sentence = join "", @sentence;
$sentence =~ s/(?<![^ ])($phrases_re)(?= |$)/#$1#/g;
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