SELECT count(distinct cle4) FROM zbienmanger WHERE REGEXP '[[:<:]]Alcool[[:>:]]' AND (prix>=1) AND cle1 REGEXP '[[:<:]]ALIMENTATION[[:>:]]' 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 '[[:<:]]Alcool[[:>:]]' AND (prix>=1) AND cle1 REGEXP '[[:<:]]ALIMENTATION' at line 1