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