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<?php $haystack = array( 'Part1', 'Part2', 'Part3', 'Part4' ); $matches = preg_grep('/(?!Part)\d/', $haystack); print_r($matches);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Part1 [1] => Part2 [2] => Part3 [3] => Part4 )

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