在我的查询中添加REGEXP

$sql = "SELECT *
        FROM ".$this->table_name."
        WHERE position  RLIKE '^([0-9]+>){1,1}$' AND c_group    =      '".$this->Group."'
        ORDER BY c_name";

RLIKE '^[0-9]+>$'
$sql = "SELECT *
        FROM ".$this->table_na