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2023-07-08

  • 13:20 UTC (new) 2023-07-08 Finding a common prefix of a set of strings . . . . mbork – Some time ago I needed a very specific thing. Given two strings, I wanted to find their longest common (initial) substring. For example, given abc and abd, I wanted ab. I thought that Emacs Lisp must have something like this already, and I wasn’t wrong. It turns out there are even two functions which can do that!

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