--- loncom/html/adm/helper/newslot.helper	2005/11/02 22:14:53	1.8
+++ loncom/html/adm/helper/newslot.helper	2005/11/18 16:26:57	1.9
@@ -32,7 +32,8 @@
     <string variable="name" size="30">
       <validator>
           if ($val=~/^\s*$/) { return 'Must specify a name'; }
-          if ($val=~/\s$/) { return 'Must not contain spaces'; }
+          if ($val=~/\s/) { return 'Must not contain spaces'; }
+          if ($val=~/\W/) { return 'Must contain only letters, numbers and _'; }
           return undef;
       </validator>
       <defaultvalue>