从电子邮件地址获取扩展程序

Question

I have a list of email and I would like to find a simple php code or regex to isolate the extension only so I can have an idea about where members come from. For example if his email is [e-mail], I'd like to isolate ".fr" Is there a simple way to do that? Thank you

Answer 1

Echo strrev(Explode(".", Strrev($email))[0]);

Strrev flips the backwards so explode explodes on the last dot.
Not tested though

Edit: since both me and dimlucas had the same idea I will add another solution:

Echo preg_match("/\.(\w+)$/", $email)[1];