if ($homeurl !~ m[^http://] and $homeurl !~ m[^https://]) {
      print "Your home url has to start with http:// or https://";
  }

##</code><code>##

if ($homeurl !~ m[^http://|https://]) {
      print "Your home url has to start with http:// or https://";
  }

##</code><code>##

if ($homeurl !~ m[^https?://]) {
      &inerror("Your home url has to start with http:// or https://");
  }