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