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