Best method: Access-Control-Allow-Origin Multiple Origin Domains

Question

This question has been asked on here before and given an array of good answers, mainly: Access-Control-Allow-Origin Multiple Origin Domains?

However there seems to be a

Answer 1

If you need to allow a origin which contains a specific word "example" you may use the following configuration in your apache vhost.

SetEnvIf Origin "^((?:https?:\/\/)?(?:[^@\n]+@)?(?:www.)?.example?.*)" REFERER=$0 
Header always set Access-Control-Allow-Origin %{REFERER}e env=REFERER

This will satisfy some of the following Origin conditions:

http://abc.bcd.example.com
https://www.example.in 
http://abcdexample.com 
many more

You may tweak the above regex as per your requirement.