How to get email address from a long string

Question

In PHP, I have a string like this:

$string = \"user@domain.com MIME-Version: bla bla bla\";

How do i get the email address only? Is there a

Answer 1

Have a look at Regular expressions in PHP.

With regular expressions you can identify any text pattern in a given string. They are incredibly useful. So even though you can stick with copy-pasting a code snippet from another answer for now, you should consider digging a little more into it.

It can be a bit complex at first but it's definitely worth the effort.