diff --git a/feedback-submit.php b/feedback-submit.php
--- a/feedback-submit.php
+++ b/feedback-submit.php
@@ -57,7 +57,7 @@ if (!empty($_SESSION['saved']))
 
 $reject = FALSE;
 
-if (eregi('http:', $feedback)) { 
+if (preg_match('/https?:/i', $feedback)) { 
   echo '<p>Please do not include URLs in your submission! Please click "back" and try again.</p>';
   $reject = TRUE;
 }