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




											 
Got error 'repetition-operator operand invalid' from regexp