github.com/wgh-/mattermost-server@v4.8.0-rc2+incompatible/tests/test-hashtags.md (about)

     1  # Hashtag Testing
     2  
     3  Hashtags in Mattermosts should render as specified below. 
     4  
     5  #### These strings should auto-link:
     6  
     7  #testing
     8  #testing123
     9  #test-test
    10  #test_test
    11  #test! (punctuation should be excluded from linking)
    12  #test1 #test2
    13  #hüllo
    14  
    15  #### These strings should not auto-link:
    16  
    17  #123test
    18  #?test
    19  #-test
    20