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<?php $case = '2 s foo'; function test($case) { $reg1 = <<<'REGEX' /(?(DEFINE) (?<int> (?:\G|(?!\n)) \s*\b \d{1,5} \s* ) (?<timepart> ( s | m | h | d ) \b ) ) ^((?&int)) ((?&timepart))(?<string>.+)$ /uix REGEX; $out = preg_replace_callback ($reg1, function($matches){ var_dump($matches); }, $case); } $output = test($case); var_dump($output);
Output for git.master, git.master_jit, rfc.property-hooks
array(10) { [0]=> string(7) "2 s foo" ["int"]=> string(0) "" [1]=> string(0) "" ["timepart"]=> string(0) "" [2]=> string(0) "" [3]=> string(0) "" [4]=> string(2) "2 " [5]=> string(1) "s" ["string"]=> string(4) " foo" [6]=> string(4) " foo" } NULL

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