SELECT count(distinct cle4) FROM zdaxon WHERE REGEXP '[[:<:]]Lacet[[:>:]]' AND (prix>=1) AND cle1 REGEXP '[[:<:]]ACCESSOIRES[[:>:]]' You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'REGEXP '[[:<:]]Lacet[[:>:]]' AND (prix>=1) AND cle1 REGEXP '[[:<:]]ACCESSOIRES[[' at line 1