Erreur SQL !
FROM posts WHERE (titre_post REGEXP "[[:<:]]l(e|é|è|ê|ë)[[:>:]]" OR texte_post REGEXP "[[:<:]]l(e|é|è|ê|ë)[[:>:]]") AND (titre_post REGEXP "[[:<:]]b(o|ô|ö)(i|î|ï)s[[:>:]]" OR texte_post REGEXP "[[:<:]]b(o|ô|ö)(i|î|ï)s[[:>:]]") AND (titre_post REGEXP "[[:<:]]d\\\\\\\\\\\\\\\'(e|é|è|ê|ë)ntr(e|é|è|ê|ë)[[:>:]]" OR texte_post REGEXP "[[:<:]]d\\\\\\\\\\\\\\\'(e|é|è|ê|ë)ntr(e|é|è|ê|ë)[[:>:]]") AND (titre_post REGEXP "[[:<:]]l(e|é|è|ê|ë)s[[:>:]]" OR texte_post REGEXP "[[:<:]]l(e|é|è|ê|ë)s[[:>:]]") AND (titre_post REGEXP "[[:<:]]m(o|ô|ö)nd(e|é|è|ê|ë)s[[:>:]]" OR texte_post REGEXP "[[:<:]]m(o|ô|ö)nd(e|é|è|ê|ë)s[[:>:]]") AND affiche_post="1" AND sujet_post="1" ORDER BY id_post DESC