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 "[[:<:]]union[[:>:]]" OR mots_cles_news REGEXP "[[:<:]]union[[:>:]]" OR REPLACE (texte_news,"é","e") REGEXP "[[:<:]]union[[:>:]]") AND affiche_news="1" ORDER BY date_news DESC, id_news DESC
Illegal argument to a regular expression.