--- a/mod_block_registrations/mod_block_registrations.lua	Tue May 05 14:21:13 2015 +0100
+++ b/mod_block_registrations/mod_block_registrations.lua	Tue May 05 15:31:11 2015 +0200
@@ -10,7 +10,7 @@
         if block_users:contains(username) then return true; end
 
         for pattern in block_patterns do
-                if username:match(pattern) then
+                if username:find(pattern) then
                         return true;
                 end
         end