.htaccess 301 仅重定向 1 个文件夹

Question

I'm working on a WordPress site.

I want to 301 redirect all of these links

example.com/ a > example.com/ b

example.com/ a /level1/level2 > example.com/ b /level1/level2

example.com/ a /level1/level2/?productid=123 > example.com/ b /level1/level2/?productid=123

However, I don't want to affect example.com/ c , example.com/ d , example.com/ e , etc.

How would I go about 301 redirecting all of the a traffic to b?

Answer 1

Just place this redirect rule below RewriteEngine On line:

RewriteEngine ^a(/.*)?$ /b$1 [L,NC,NE,R=301]

Query string will be automatically forwarded to new URL.