htaccess RewriteRule and RewriteBase

Question

i want hide a part of url current url: https://dev.karmagroup.com/karmamomentsnew/karma-postcards/

what i aim for is https://dev.karmagroup.com/karma-postcards/

with the current .htaccess file :

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /karmamomentsnew/
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /karmamomentsnew/index.php [L]
</IfModule>

i tried to change the .htaccess like this

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /karmamomentsnew/(.+)$ $1 [L,NC,R]
</IfModule>

and it goes wrong surely, haha.. can somebody help me please. thank you before.

Answer 1

I've found this related question which answers your problem. The snippet from the answer is (note that it's adjusted to your needs)

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule (?!^karmamomentsnew/)^(.*)$ /karmamomentsnew/$1 [L,NC]

Source: https://stackoverflow.com/a/18361995/5675325