Don't turn emails into user casts

boards/models/post.py

@@ -65,7 +65,7 b' PREPARSE_PATTERNS = {'
     r'>>(\d+)': r'[post]\1[/post]',  # Reflink ">>123"
     r'^>([^>].+)': r'[quote]\1[/quote]',  # Quote ">text"
     r'^//(.+)': r'[comment]\1[/comment]',  # Comment "//text"
-    r'@(\w+)': r'[user]\1[/user]',  # User notification "@user"
+    r'\B@(\w+)': r'[user]\1[/user]',  # User notification "@user"
 }
 
 

boards/tests/test_parser.py

@@ -25,3 +25,10 b' class ParserTest(TestCase):'
         self.assertEqual('[post]12[/post]\nText',
                          preparsed_text, 'Reflink not preparsed.')
 
+    def preparse_user(self):
+        raw_text = '@user\[e-mail]\n@user\nuser @user'
+        preparsed_text = Post.objects._preparse_text(raw_text)
+
+        self.assertEqual('[user]user[/user]\[e-mail]\n[user]user[/user]\nuser [user]user[/user]',
+                         preparsed_text, 'User link not preparsed.')
+