X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=turbot%2Finteraction.py;h=13b8ebf00fd6a31ceb60757b076ff86f30421dcd;hb=4bca55ecc12eb56357e5a5279fece0adced30430;hp=ec64706658f3126bfc1974921d12e4cdece78ffe;hpb=6b701e209f77419ddf4a2a99f23801df6fb102ef;p=turbot

diff --git a/turbot/interaction.py b/turbot/interaction.py
index ec64706..13b8ebf 100644
--- a/turbot/interaction.py
+++ b/turbot/interaction.py
@@ -927,8 +927,8 @@ def tag(turb, body, args):
     tag = tag.upper()
 
     # Reject a tag that is not alphabetic or underscore A-Z_
-    if not re.match(r'^[A-Z_]*$', tag):
-        return bot_reply("Sorry, tags can only contain letters "
+    if not re.match(r'^[A-Z0-9_]*$', tag):
+        return bot_reply("Sorry, tags can only contain letters, numbers, "
                          + "and the underscore character.")
 
     if action == 'remove':