Redirect Subdomain On One Domain To Same Subdomain On Another Domain

[RyderCragie]

How do I redirect abc.example.com to abc.example1.com without using a page rule or a worker?

“abc” should be whatever the user requests. Not just “abc”.

[sjr]

Do the redirect on your origin?

Page rules are by far the easiest way to do it. Any reason why you don’t want to?

[RyderCragie]

@sjr

Do the redirect on your origin?

Cloudflare is my origin.

@sjr

Any reason why you don’t want to use page rules?

Yes. They’ll reach EOL. I want to stop using them.

[sjr]

Use the redirect rules, needs some string slicing…

How to achive dynamic redirect

Ok, it now works with a secondary solution. It’s using an undocumented function and it’s very much not as elegant nor as simple as Page Rules. concat("https://example.com/", substring(http.host, 0, -12), "/", substring(http.request.uri.path, 7)) Substitute -12 with the length of your domain, that is the length of .example.com, dot included. Same goes with the 7, it’s the length of /pages/.

[RyderCragie]

When page rules are gone, will they:

1. Migrate to something else, like redirect rules?
2. Have a way to be recreated in something like redirect rules without using custom typed out expressions (and the ability to use asterisk?)

[RyderCragie]

@How to achive dynamic redirect

concat("https://example.com/", substring(http.host, 0, -12), "/", substring(http.request.uri.path, 7))

How do I need to modify that to get it working how I want it to?