Building a Regex Engine in Fewer Than 40 Lines of Code

Re:Building a Regex Engine in Fewer Than 40 Lines of Code by rurban on Tuesday December 05, 2017 @03:51AM (#15850633)

I did that with grouping (), alternatives |, and classes [], for Asterisk some decades ago. They had a very special phonenumbering syntax. Less than 100 lines in C. In lisp it's trivial, less then 10 lines for a simple matcher.

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