use warnings;
use strict;
use Data::Dumper; 

my @array1 = qw(234 453 111 239);
my @array2 = qw(v204_txt v234_txt v450_txt v453_txt);
my @a3;
for (@array2) {
    for my $pat (@array1) {
        if (/$pat/) {
            push @a3, $_;
            last;
        }
    }
}
print Dumper(\@a3);

__END__

$VAR1 = [
          'v234_txt',
          'v453_txt'
        ];