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<?php $subject = <<<EOL 1. first 2. second 3. third EOL; preg_match('/^.{1,20}?$/i', $subject, $matches); var_dump($matches); preg_match_all('/^(.{1,20}?)$/i', $subject, $matches, PREG_PATTERN_ORDER); var_dump($matches);

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45.36 ms | 402 KiB | 5 Q