I want to search for strings patterns in a pdf file, I have been using PDF::API2 module for it, but I tried to write down following piece of code, got some wierd result (a huge list of special characters). My code is:

use PDF::API2;
use PDF;
print "hello world\n";
$pdf = PDF::API2->open('DEN.pdf');
print $pdf->stringify;
print "ok";
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I am not sure, if PDF:: API2 will be of use, and it will be very helpful if you can suggest me something in regard to my problem

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