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

$text = 'First Last '
$emails = array_filter(filter_var_array(filter_var_array(preg_split('/\s/', $text), FILTER_SANITIZE_EMAIL), FILTER_VALIDATE_EMAIL));