--- loncom/interface/loncommon.pm	2019/05/05 23:19:47	1.1331
+++ loncom/interface/loncommon.pm	2019/05/11 21:34:01	1.1332
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1331 2019/05/05 23:19:47 raeburn Exp $
+# $Id: loncommon.pm,v 1.1332 2019/05/11 21:34:01 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3597,7 +3597,7 @@ sub check_passwd_rules {
             }
         }
         if ($rules{'lc'}) {
-            unless ($plainpass =~ /a-z/) {
+            unless ($plainpass =~ /[a-z]/) {
                 push(@brokerule,'lc');
             }
         }
@@ -3633,6 +3633,9 @@ sub check_passwd_rules {
         }
         $warning .= '</ul>';
     }
+    if (wantarray) {
+        return @brokerule;
+    }
     return $warning;
 }