diff --git a/Chatbot.py b/Chatbot.py
index 4898dd9..793a644 100644
--- a/Chatbot.py
+++ b/Chatbot.py
@@ -40,7 +40,7 @@ class Chatbot(object):
 				if message.content.lower() == "lol":
 					yield from message.channel.send("laffing aut laut")
 					return
-				if re.match("^[0-9][0-9.,]*$", message.content.strip()) and random.randint(0,9) == 0:
+				if re.match("^[0-9]*([,.]?[0-9]+)?$", message.content.strip()) and random.randint(0,9) == 0:
 					yield from message.channel.send("That's Numberwang!") # https://www.youtube.com/watch?v=0obMRztklqU
 					return
 				if "DMChannel" in type(message.channel).__name__: #respond to messages in PM channels