twitter/twitter-text-rb — pull request #32 by katsuyan (2012-01-29 03:27:43+00:00)
Title: Extract mentions slightly more strictly

I made extraction of mentions slightly more strict.
Now it does not extract mentions precedented by !, @, #, $, %, & and *.
This avoids extracting unintended mentions like "f*@kn", which, in turn, reduces spams in users mention section.