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<?php $filenames = array('path/file.jpg','path/file.png','path/file.pdf'); foreach ($filenames as $filename) { if (preg_match('/^(?!.*\.pdf).*$/', $filename)) echo "\"$filename\" is not a PDF file.\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
"path/file.jpg" is not a PDF file. "path/file.png" is not a PDF file.

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