use strict;
my @patterns = ( 'unknown type\(0x134e\)', '30.6511', '\(V6.5.1 FP1\)' );
my @array = <DATA>;

foreach my $line (@array) { 
  print $line if scalar grep { $line =~ /$_/ } @patterns;
}

__DATA__
no fit
unknown type(0x134e) bla bla
  bla 30.6511 kkkkkkkkkk
(V6.5.1 FP1)   lllkjlkj   30.6511
klljklljk jkljkljkl