Using htaccess mod_rewrite I want to rewrite any URL not starting with example.com/en to /en/* For example example.com/about-us to example.com/en/about-us I've tried a few simple solutions like RewriteRule !^en/(.*)$ http://example.com/$1 [R=301,L] But that didn't work.

htaccess rewrite rule. Rewrite URLs not starting with /en to /en/*

Using htaccess mod_rewrite I want to rewrite any URL not starting with example.com/en to /en/*

For example

example.com/about-us

example.com/en/about-us

I've tried a few simple solutions like

RewriteRule !^en/(.*)$ http://example.com/$1 [R=301,L]

But that didn't work.