+lynk + +co +bari

lynk||co|bari

SELECT * FROM annunci WHERE 
		( Marca REGEXP '^(lynk||co|bari)' OR Modello REGEXP '^(lynk||co|bari)' ) OR ( Provincia  REGEXP '^(lynk||co|bari)' OR Comune  REGEXP '^(lynk||co|bari)') ORDER BY data DESC, id DESC

Got error 'empty (sub)expression' from regexp