In general, a regex on an array is best done using grep. Makes your code look better. If you keep your newlines intact, you can do the following. Escape the dot (perlre)! 
print grep{! /<!DOCTYPE XMLDATA SYSTEM \"artist_royalty\.dtd\">/} @lin
+es;

[download]
This will do most of your work.

Hope this helps,

Jeroen
"We are not alone"(FZ)

Update $code or die pointed me to stupid omission. Added that damn exclamation mark.

In reply to Re: Regex on a array by jeroenes
in thread Regex on a array by adobepro

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