Erreur SQL !
FROM news WHERE (titre_news REGEXP "[[:<:]](c|ç)h(a|à|â)p(i|î|ï)tr(e|é|è|ê|ë)[[:>:]]" OR mots_cles_news REGEXP "[[:<:]](c|ç)h(a|à|â)p(i|î|ï)tr(e|é|è|ê|ë)[[:>:]]" OR texte_news REGEXP "[[:<:]](c|ç)h(a|à|â)p(i|î|ï)tr(e|é|è|ê|ë)[[:>:]]") AND (titre_news REGEXP "[[:<:]]4\\\\\\\\\\\\\\\\\\\\\\\\[[:>:]]" OR mots_cles_news REGEXP "[[:<:]]4\\\\\\\\\\\\\\\\\\\\\\\\[[:>:]]" OR texte_news REGEXP "[[:<:]]4\\\\\\\\\\\\\\\\\\\\\\\\[[:>:]]") AND affiche_news="1" ORDER BY date_news DESC, id_news DESC
Illegal argument to a regular expression.