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.
Race participants
Sign in to test your solution.
### 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
You can submit as many times as you like. Only your latest submission will be taken into account.
Sign in to test your solution.