Regex - Return First and Last Name

Question

I\'m looking for the best reliable way to return the first and last name of a person given the full name, so far the best I could think of is the following

Answer 1

Here is simple non regex way

$name=explode(" ",$name);
$first_name=reset($name);
$last_name=end($name);
$result=$first_name.' '.$last_name;