You've reached the infamous Regex Linking - Hack 4, where the art of regular expressions meets the art of linking. Hack 5: Regex Linking for the Truly Insane takes it to the next level.
It's a dark art, mastered by few. A dance of characters, a symphony of slashes. A way of linking that's not for the faint of heart. Learn the Fundamentals of Regex Linking to join the exclusive club.
With Regex Linking, you can link to anything. Any website, any page, any... thing. Hack 6: Regex Linking to the Future shows you just how far you can take it.
Hack 7: Regex Linking for World Domination is not for the faint of heart.