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