- RFC 9485 “I-Regexp: An Interoperable Regular Expression Format”, Carsten Bormann and Tim Bray, 2023
- “Having it both ways: Larry Wall, Perl and the technology and culture of the early web”, (Michael Stevenson, 2018)
- The UNIX-HATERS Handbook, Simson Garfinkel, Daniel Weise, and Steven Strassmann, 1994 [HN]
- “Derivatives of regular expressions” (Janusz A. Brzozowski, 1964)
- “Proof-directed program transformation: A functional account of efficient regular expression matching” (Andrzej Filinski, 2021)
- Tagged DFA