the point i want to get to with Thompson’s paper is that the last few sentences of Thompson’s original paper actually mention the possibility of intersection and complement (below), but the funny thing is that this footnote has been forgotten for decades, and no one ever followed through.. and for the ones who tried, in fact, it wasn’t so easy in Thompson’s NFA framework at all, the devil is in the details.
char = ord(sys.stdin.read(1)) # read one char and get char code
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Excellent Battery Life, Fast Charging, and MagSafe
Be sure to check out Mat Smith's writeup on the Robot Phone for a more in-depth look.