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Comment by klausseiler | Hacker News Reader

i don't know how to solve beginner 4? shouldn't you be able to put anything into it?

    * *
    / /

/ isn't a special character and * isn't special when inside a character class

Now here's a puzzle where the "post your solutions in ROT13 to avoid spoilers" conventional wisdom wouldn't help!

ROT47 solves this exact problem.

Wow, thanks for the reference! I had no idea.