i have use this for url rewrite
old url
http://localhost/project/productSearch?id_category=7&id_size=23&id_colour=89
Options +FollowSymLinks -MultiViews
# Turn mod_rewrite on
RewriteEngine On
RewriteRule productSearch/(\d+)/(\d+)/(\d+)$ productSearch.php?id_category=$1&id_size=$2&id_colour=$3 [L]
## hide .php extension snippet
# To externally redirect /dir/foo.php to /dir/foo
RewriteCond %{THE_REQUEST} \s([^.]+)\.php [NC]
RewriteRule ^ %1 [R,L]
# To internally forward /dir/foo to /dir/foo.php
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.+?)/?$ $1.php [L]
now new url
http://localhost/project/productSearch/7/23/89
But images,css.jqyery not loading on this page
Any Idea?