diff -r -u mlmmj-1.2.17-RC2.orig/contrib/web/php-user/mlmmj.php mlmmj-1.2.17-RC2/contrib/web/php-user/mlmmj.php
--- mlmmj-1.2.17-RC2.orig/contrib/web/php-user/mlmmj.php	2008-10-30 21:06:16.000000000 +0100
+++ mlmmj-1.2.17-RC2/contrib/web/php-user/mlmmj.php	2010-01-10 15:19:50.000000000 +0100
@@ -37,7 +37,7 @@
 
     function is_email($string="") 
 	{
-	    if (eregi("^[a-z0-9\._-]+".chr(64)."+[a-z0-9\._-]+\.+[a-z]{2,4}$", $string)) 
+	    if (preg_match("/^[-!#$%&\'*+\.\/0-9=?A-Z^_a-z{|}~]+@[-0-9A-Za-z]+\.[-\.0-9A-Za-z]+$/", $string))
 	    { 
 		return TRUE; 
 	    }