Apache configuration htaccess file under Wannet space

.htaccess file
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
#RewriteRule ^(.*)$ index.php/$1 [QSA,PT,L]
#RewriteRule ^(.*)$ index.php [L,E=PATH_INFO:$1] 
RewriteRule ^(.*)$ index.php?s=$1 [QSA,PT,L]

nginx environment (not tested)

location / {
   if (!-e $request_filename) {
   rewrite  ^(.*)$  /index.php?s=$1  last;
   break;
    }
  }