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<?php $input = 'Lorem Ipsum is simply dummy text of the printing industry.'; $except = array('and', 'the', 'text', 'simply'); preg_match_all('/(?<match>\w{3,}+)/', $input, $matches, PREG_PATTERN_ORDER); print_r(array_diff($matches['match'], $except));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Lorem [1] => Ipsum [3] => dummy [6] => printing [7] => industry )

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