Erreur SQL !
FROM news WHERE (titre_news REGEXP "[[:<:]](e|é|è|ê|ë)nst(i|î|ï)l(a|à|â)r[[:>:]]" OR mots_cles_news REGEXP "[[:<:]](e|é|è|ê|ë)nst(i|î|ï)l(a|à|â)r[[:>:]]" OR texte_news REGEXP "[[:<:]](e|é|è|ê|ë)nst(i|î|ï)l(a|à|â)r[[:>:]]") AND affiche_news="1" ORDER BY date_news DESC, id_news DESC
Illegal argument to a regular expression.