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<?php echo preg_match('/\b\pL{2,4}\b/ui', 'очень длинные слова'); echo preg_match('/\b\pL{2,4}\b/ui', 'тут короткие слова'); echo preg_replace('/\b\w/ui', '<$0>', 'оче-нь тут слова и так дальше');
Output for git.master, git.master_jit, rfc.property-hooks
01<о>че-<н>ь <т>ут <с>лова <и> <т>ак <д>альше

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