Extract IP Using Regex

<?php
$subject = '127.0.0.1 192.168.0.1-10.10.0.25';
preg_match_all('/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $subject, $matches);
for ($i=0; $i < sizeof($matches[0]); $i++) {
  print $matches[0][$i].'<br>';
}