note 72332 added to reference.pcre.pattern.modifiers

Is the 'i' modifier working with UTF-8? Because I'm trying to use it in a regular expression, but the expression matches 'проблем' and misses 'Проблем', while matches both 'problem' and 'Problem'. My modifiers are /ui ---- Server IP: 217.75.128.29 Probable Submitter: 85.91.150.14 ---- Manual Page -- http://www.php.net/manual/en/reference.pcre.pattern.modifiers.php Edit -- https://master.php.net/note/edit/72332 Del: integrated -- https://master.php.net/note/delete/72332/integrated Del: useless -- https://master.php.net/note/delete/72332/useless Del: bad code -- https://master.php.net/note/delete/72332/bad+code Del: spam -- https://master.php.net/note/delete/72332/spam Del: non-english -- https://master.php.net/note/delete/72332/non-english Del: in docs -- https://master.php.net/note/delete/72332/in+docs Del: other reasons-- https://master.php.net/note/delete/72332 Reject -- https://master.php.net/note/reject/72332 Search -- https://master.php.net/manage/user-notes.php