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<?php $subject = "Helló"; $pattern = '/(l|ó){2,3}/'; preg_match($pattern, $subject, $matches, PREG_OFFSET_CAPTURE); var_dump($matches);
Output for 4.3.0 - 7.1.0
array(2) { [0]=> array(2) { [0]=> string(4) "lló" [1]=> int(2) } [1]=> array(2) { [0]=> string(2) "ó" [1]=> int(4) } }