Also fun is enumerating all the characters in the Private Character section[2] to see what UI symbols are able to be inserted into unintended places.
[1] https://www.unicode.org/charts/PDF/U0300.pdf
[2] http://www.unicode.org/faq/private_use.html https://www.unicode.org/charts/PDF/UE000.pdf
A bit OT, but here is a classic example of that (the much upvoted stack overflow post on parsing html with regex):
https://stackoverflow.com/a/1732454
Also fun is enumerating all the characters in the Private Character section[2] to see what UI symbols are able to be inserted into unintended places.
[1] https://www.unicode.org/charts/PDF/U0300.pdf
[2] http://www.unicode.org/faq/private_use.html https://www.unicode.org/charts/PDF/UE000.pdf