#-------
RewriteEngine on
RewriteRule ^rubrique([0-9]+)\.html$ rubrique.php3?id_rubrique=$1 [QSA,L]
RewriteRule ^article([0-9]+)\.html$ article.php3?id_article=$1 [QSA,L]
RewriteRule ^mot([0-9]+)\.html$ mot.php3?id_mot=$1 [QSA,L]
#------