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