How to set up a 301 redirect from a folder to a subdomain?

Question

URL Handling

How to set up a 301 redirect of all pages from a folder like domain.ru/folder to sub.domain.ru? As I understand it, an entry is made in htaccess, but what entry?

Answer 1

add to .htaccess file

RewriteRule ^subdirectory/(.*)$ https://subdomain.domain.com/$1 [R=301,L,NC]