DATA    Numbers five; Crystal; Reliable chromo; Onion; Apple;
            Salt.
CHEM      Synechocystis sp. PCC 6803 substr. Kazusa
  NAMES  Synechocystis sp. PCC 6803 substr. Kazusa
            Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae;
            Synechocystis; unclassified Synechocystis.

##</code><code>##

	open(FH, "/Users/Desktop/file.txt") or die; 
my $content = join("", <FH>); 
close(FH);
my @matches = $content =~ /DATA\s+([A-Za-z\W]+)\n/g;
 print "Data:@matches\n";