SELECT count(distinct cle4) FROM zsomwhere WHERE REGEXP '[[:<:]]Culotte[[:>:]]' AND (prix>=1) AND cle1 REGEXP '[[:<:]]LINGERIE[[:>:]]' 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 '[[:<:]]Culotte[[:>:]]' AND (prix>=1) AND cle1 REGEXP '[[:<:]]LINGERIE[[:' at line 1