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<?php $case = '2 s foo'; function test($case) { $reg1 = <<<'REGEX' / ^ (?<int> (?:\G|(?!\n)) \s*\b \d{1,5} \s* ) (?<timepart> (?: s | m | h | d ) \b ) (?<string>.+) $ /uix REGEX; $out = preg_replace_callback ($reg1, function($matches){ var_dump($matches); }, $case); } $output = test($case); var_dump($output);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(7) { [0]=> string(7) "2 s foo" ["int"]=> string(2) "2 " [1]=> string(2) "2 " ["timepart"]=> string(1) "s" [2]=> string(1) "s" ["string"]=> string(4) " foo" [3]=> string(4) " foo" } NULL
preferences:
103.97 ms | 2000 KiB | 4 Q