.htaccess

# Standard Input Variables for the Divi Theme

php_value max_execution_time 240
php_value max_input_time 90
php_value max_input_vars 3000
php_value memory_limit 512M

# Redirect everything (no matter whether it's non-https or with www.) to https://yourdomain.com

RewriteEngine on
RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC]
RewriteRule ^(.*)$ https://%1/$1 [R=301,L]
RewriteCond %{HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]

# Redirect http to https (but NOT www to non-www)

RewriteEngine on
# force ssl
RewriteCond     %{SERVER_PORT} ^80$
RewriteRule     ^(.*)$ https://%{SERVER_NAME}%{REQUEST_URI} [L,R]

# Redirect from NON-www to https://www.yourdomain.com (replace nextab.de)

RewriteEngine on RewriteCond %{HTTP_HOST} nextab.de [NC]
RewriteRule ^(.*)$ https://www.nextab.de/$1 [L,R=301,NC]

# Redirect from Domain a (in this case mitplanzumerfolg.de) to Domain b (alinawelfonder.com) via .htaccess and KEEP the deeplinks (so someone accessing mitplanzumerfolg.de/kein-plan will end up on alinawelfonder.com/kein-plan)

RewriteEngine On
RewriteCond %{HTTP_HOST} ^ mitplanzumerfolg\.de$
RewriteRule ^(.)$ http://www.alinawelfonder.com/$1 [R=301,L]*

# Dynamically replace parts of the URL, e.g. https://url.com/LISTING/abc to https://url.com/COMPANY/abc

RedirectMatch 301 ^/listing/(.*)$ /company/$1