Erreur SQL !
FROM news WHERE (titre_news REGEXP "[[:<:]](c|ç)(o|ô|ö)st(u|ù|û|ü)m(e|é|è|ê|ë)[[:>:]]" OR mots_cles_news REGEXP "[[:<:]](c|ç)(o|ô|ö)st(u|ù|û|ü)m(e|é|è|ê|ë)[[:>:]]" OR texte_news REGEXP "[[:<:]](c|ç)(o|ô|ö)st(u|ù|û|ü)m(e|é|è|ê|ë)[[:>:]]") AND (titre_news REGEXP "[[:<:]]n(a|à|â)rn(i|î|ï)(a|à|â)\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\[[:>:]]" OR mots_cles_news REGEXP "[[:<:]]n(a|à|â)rn(i|î|ï)(a|à|â)\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\[[:>:]]" OR texte_news REGEXP "[[:<:]]n(a|à|â)rn(i|î|ï)(a|à|â)\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\[[:>:]]") AND affiche_news="1" ORDER BY date_news DESC, id_news DESC
Illegal argument to a regular expression.