Pascal Bertrand#
A French player showed me this, which I find extremely brilliant.
If anyone has ever seen anything remotely similar, I'm interested in having a look at it
If you don't know what it is, what it means, or what to do with it, you can have a look at en.wikipedia.org/wiki/Regular_expression#Syntax first.
Here it is:
It seems that it is part of a MIT Mystery Hunt