<IfModule mod_rewrite.c>
RewriteEngine on

# Apache 2.4
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteCond %{REQUEST_FILENAME} !-f 
RewriteRule ^(.*?)( [^/]*)$ $1index.php?$2  [QSA,PT,L]

# Apache other
#RewriteRule ^(.*?)( [^/]*)\.htm(.*)$ $1/index.php?$2.htm$3  [L]
</IfModule>

location ~* \.(htm)$ {

    rewrite "^(.*)/(.+?).htm(.*?)$" $1/index.php?$2.htm$3 last;

}

www.yourdomain.com

# Set this path to your site's directory.
root * /var/www

file_server

# Or serve a PHP site through php-fpm:
php_fastcgi localhost:9000