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