Erreur SQL !
FROM news WHERE (titre_news REGEXP "[[:<:]]<\\[[:>:]]" OR mots_cles_news REGEXP "[[:<:]]<\\[[:>:]]" OR texte_news REGEXP "[[:<:]]<\\[[:>:]]") AND affiche_news="1" ORDER BY date_news DESC, id_news DESC
Illegal argument to a regular expression.