Warning! It seems that you are using Dodona within another webpage, so not everything may work properly. Let your teacher know so that he can solve the problem by adjusting a setting in the learning environment. In the meantime, you can click this link to open Dodona in a new window.
Warning! The page was not fully loaded, probably because of a network issue. It could be that not all functionalities work as expected. Please try reloading the page.
### regex 1 ###
# put your regex here
### regex 2 ###
# put your regex here
### regex 3 ###
# put your regex here
### regex 4 ###
# put your regex here
### regex 5 ###
# put your regex here
### regex 6 ###
# put your regex here