For New Every Threes moving from /BLOG/YYYY/MM to /BLOG
- Go to Tools > Redirection
 - Set your source URL to: ^/blog/([0-9]{4})/([0-9]{2})/(?!page/)(.+)$
 - Set your target URL to: https://THE-DOMAIN.com/blog/$3
 - Set your group to Modified Posts
 - Set the URL options /Regex drop-down to “regex”
 
For example:
For other wildcard redirects at the root-level so that any/all URls after the * also redirect:
- Go to Tools > Redirection
 - Set your source URL to: ^/URL/.*
 - Set your target URL to the new page you want the redirect to go to: https://THE-DOMAIN.com/URL
 - Set your group to Redirections
 - Set the URL options /Regex drop-down to “regex”:
 
For example:
  

