my $lineCounter      = 0;
my $line             = "";
open(FILE, '<', $filename) || die "Error: Could not open: $!";
while( $line = <FILE> ) {
    if ( $line =~ /# Ausdruck1/
             or
         $line =~ /# Ausdruck 2/
             or
         $line =~ /# Ausdruck 3/
    ) {
        $contentLNKArray[$lineCounter++] = $line;
        last;
    }
}