SELECT COUNT(*) FROM `data` WHERE `tags` RLIKE '??N??' OR `tags` RLIKE '??N??' OR `name` RLIKE '??N??' OR `name` RLIKE '??N??' OR `translit` RLIKE '??N??' OR `name` RLIKE '??N??' OR `translit` RLIKE '??n??' OR `translit` RLIKE '??n??'														




											 
Got error 'repetition-operator operand invalid' from regexp