Excluding selected multiple folders in a RewriteCond

RewriteEngine on
RewriteCond %{REQUEST_URI} ^/images/thumbs/
RewriteCond %{REQUEST_URI} ^/thumbs/
RewriteRule .* - [L]

Code (markup):

Is the above valid ? , earier i had 1 folder , i added the 2nd one , but it doesnt work , maybe im messing up the syntax , not much familiar with .htaccess

 

Add the [OR] flag - at the moment it says
"If the requested URI starts with /images/thumbs and starts with /thumbs/, stop rewriting."
.. and obviously both conditions can never be satisfied together.

RewriteEngine on
RewriteCond %{REQUEST_URI} ^/images/thumbs/ [OR]
RewriteCond %{REQUEST_URI} ^/thumbs/
RewriteRule .* - [L]

 

thanks yet again for htaccess help , gonna try this out.