support for user, groups and hashtags regexps

mitterlib/network/networkbase.py

@@ -239,6 +239,21 @@ class NetworkData(object):
         self.reply_prefix = ''
         """Prefix to be used in messages when replying to this message."""
 
+        self.user_regexp = None
+        """Regular expression used to identify usernames in the message. If
+        the network doesn't support an easy way to identify usernames, it
+        should be set to None."""
+
+        self.group_regexp = None
+        """Regular expression used to identify groups in the message. If the
+        network doesn't support groups or doesn't have an easy way to
+        identify groups, it should be set to None."""
+
+        self.tag_regexps = None
+        """Regular expression used to identify tags (hashtags) in the
+        message. If the network doesn't support tags or doesn't have an easy
+        way to identify groups, it should be set no None."""
+
         self.network = ''
         """The network id source of the message. Network classes don't need to
         worry about this field themselves; :class:`Networks` will set it when

mitterlib/network/twitter.py

@@ -171,6 +171,12 @@ class TwitterNetworkData(NetworkData):
         # them if it becomes a problem.
         self.message = _unhtml(data['text'])
 
+        # regular expression for users
+        self.user_regexp = r'@[a-zA-Z0-9_]'
+
+        # regular expression for hashtags
+        self.tag_regexp = r'#[a-zA-Z0-9_]'
+
         return