my @array = (split/\n/, $data);

my $firstmatch = $array[3];
my $secondmatch = $array[4];
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But is this the best/fastes way. Got lots of files with this kind of data.

This happens over and over:

Open the file
split the records
parse this data 
insert it into db
close file
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I think you have an excellent solution using split and array access. There is no reason to use a regex when other solutions will work equally well. Often, a regex will be more complicated or more fragile.

Now, there are some parsing problems that are better solved with a regex, but this isn't one of them. And, personally, I only use a regex when I cannot use other solutions.

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solution using split

There is no reason to use a regex

Technically speaking, a split uses a regex O:-)