Erreur SQL !
FROM artistes WHERE (REPLACE (nom_artiste,"é","e") REGEXP "[[:<:]]rechercher,.(\\\\\\\'(\\\\\\\[[:>:]]" OR REPLACE (prenom_artiste,"é","e") REGEXP "[[:<:]]rechercher,.(\\\\\\\'(\\\\\\\[[:>:]]" OR REPLACE (nom_complet_artiste,"é","e") REGEXP "[[:<:]]rechercher,.(\\\\\\\'(\\\\\\\[[:>:]]" OR biographie_artiste REGEXP "[[:<:]]rechercher,.(\\\\\\\'(\\\\\\\[[:>:]]") AND affiche_artiste="1" ORDER BY nom_artiste ASC
Got error 'parentheses not balanced' from regexp