How to exclude a specific file from a rewriterule

Question

I have been here: How to exclude a specific file in htaccess

and here: exclude files from rewrite rule in .htaccess

but neither worked. What might I be doing wrong?

.htaccess file:

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule ^wp-content(/.*|)$ - [L] # don't take any action
RewriteRule ^wp-admin(/.*|)$ - [L] # don't take any action
RewriteRule ^wp-includes(/.*|)$ - [L] # don't take any action
RewriteCond %{REQUEST_URI} !^/pureplantessentials\.html$

RewriteRule ^moreinfo/(.*)$ http://www.kgstiles.com/moreinfo$1 [R=301]
RewriteRule ^healthsolutions/(.*)$ http://www.kgstiles.com/healthsolutions$1 [R=301]
RewriteRule ^(.*)\.html$ $1/ [R=301]
RewriteRule ^(.*)\.htm$ $1/ [R=301]
</IfModule>

Answer 1

To exclude a file, try something like this:

RewriteCond %{REQUEST_URI} !^/pureplantessentials\.html$ 

The rule will be skipped if the file is pureplantessentials.html.