%% This BibTeX bibliography file was created using BibDesk.

%% https://bibdesk.sourceforge.io/

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@INPROCEEDINGS{Verbatim,  author={Egolf, Derek and Lasser, Sam and Fisher, Kathleen},  booktitle={2021 IEEE Security and Privacy Workshops (SPW)},   title={Verbatim: A Verified Lexer Generator},   year={2021},  volume={},  number={},  pages={92-100},  doi={10.1109/SPW53761.2021.00022}}

@inproceedings{Verbatimpp,

author = {Egolf, Derek and Lasser, Sam and Fisher, Kathleen},

title = {Verbatim++: Verified, Optimized, and Semantically Rich Lexing with Derivatives},

year = {2022},

isbn = {9781450391825},

publisher = {Association for Computing Machinery},

address = {New York, NY, USA},

url = {https://doi.org/10.1145/3497775.3503694},

doi = {10.1145/3497775.3503694},

abstract = {Lexers and parsers are attractive targets for attackers because they often sit at the boundary between a software system's internals and the outside world. Formally verified lexers can reduce the attack surface of these systems, thus making them more secure. One recent step in this direction is the development of Verbatim, a verified lexer based on the concept of Brzozowski derivatives. Two limitations restrict the tool's usefulness. First, its running time is quadratic in the length of its input string. Second, the lexer produces tokens with a simple "tag and string" representation, which limits the tool's ability to integrate with parsers that operate on more expressive token representations. In this work, we present a suite of extensions to Verbatim that overcomes these limitations while preserving the tool's original correctness guarantees. The lexer achieves effectively linear performance on a JSON benchmark through a combination of optimizations that, to our knowledge, has not been previously verified. The enhanced version of Verbatim also enables users to augment their lexical specifications with custom semantic actions, and it uses these actions to produce semantically rich tokens---i.e., tokens that carry values with arbitrary, user-defined types. All extensions were implemented and verified with the Coq Proof Assistant.},

booktitle = {Proceedings of the 11th ACM SIGPLAN International Conference on Certified Programs and Proofs},

pages = {27–39},

numpages = {13},

keywords = {Brzozowski derivatives, formal verification, lexical analysis, semantic actions},

location = {Philadelphia, PA, USA},

series = {CPP 2022}

}

@article{Turo_ov__2020,

	author = {Lenka Turo{\v{n}}ov{\'{a}} and Luk{\'{a}}{\v{s}} Hol{\'{\i}}k and Ond{\v{r}}ej Leng{\'{a}}l and Olli Saarikivi and Margus Veanes and Tom{\'{a}}{\v{s}} Vojnar},

	date-added = {2022-05-23 18:43:04 +0100},

	date-modified = {2022-05-23 18:43:04 +0100},

	doi = {10.1145/3428286},

	journal = {Proceedings of the {ACM} on Programming Languages},

	month = {nov},

	number = {{OOPSLA}},

	pages = {1--30},

	publisher = {Association for Computing Machinery ({ACM})},

	title = {Regex matching with counting-set automata},

	url = {https://doi.org/10.1145%2F3428286},

	volume = {4},

	year = 2020,

	bdsk-url-1 = {https://doi.org/10.1145%2F3428286},

	bdsk-url-2 = {https://doi.org/10.1145/3428286}}

@article{Rathnayake2014StaticAF,

	author = {Asiri Rathnayake and Hayo Thielecke},

	journal = {ArXiv},

	title = {Static Analysis for Regular Expression Exponential Runtime via Substructural Logics},

	volume = {abs/1405.7058},

	year = {2014}}

@inproceedings{Weideman2017Static,

	author = {Nicolaas Weideman},

	title = {Static analysis of regular expressions},

	year = {2017}}

@inproceedings{RibeiroAgda2017,

	abstract = {We describe the formalization of a regular expression (RE) parsing algorithm that produces a bit representation of its parse tree in the dependently typed language Agda. The algorithm computes bit-codes using Brzozowski derivatives and we prove that produced codes are equivalent to parse trees ensuring soundness and completeness w.r.t an inductive RE semantics. We include the certified algorithm in a tool developed by us, named verigrep, for regular expression based search in the style of the well known GNU grep. Practical experiments conducted with this tool are reported.},

	address = {New York, NY, USA},

	articleno = {4},

	author = {Ribeiro, Rodrigo and Bois, Andr\'{e} Du},

	booktitle = {Proceedings of the 21st Brazilian Symposium on Programming Languages},

	date-modified = {2022-03-16 16:38:47 +0000},

	doi = {10.1145/3125374.3125381},

	isbn = {9781450353892},

	keywords = {Certified algorithms, regular expressions, dependent types, bit-codes},

	location = {Fortaleza, CE, Brazil},

	numpages = {8},

	publisher = {Association for Computing Machinery},

	series = {SBLP 2017},

	title = {Certified Bit-Coded Regular Expression Parsing},

	url = {https://doi.org/10.1145/3125374.3125381},

	year = {2017},

	bdsk-url-1 = {https://doi.org/10.1145/3125374.3125381}}

@article{Thompson_1968,

	author = {Ken Thompson},

	date-added = {2022-02-23 13:44:42 +0000},

	date-modified = {2022-02-23 13:44:42 +0000},

	doi = {10.1145/363347.363387},

	journal = {Communications of the {ACM}},

	month = {jun},

	number = {6},

	pages = {419--422},

	publisher = {Association for Computing Machinery ({ACM})},

	title = {Programming Techniques: Regular expression search algorithm},

	url = {https://doi.org/10.1145%2F363347.363387},

	volume = {11},

	year = 1968,

	bdsk-url-1 = {https://doi.org/10.1145%2F363347.363387},

	bdsk-url-2 = {https://doi.org/10.1145/363347.363387}}

@article{17Bir,

	author = {Asiri Rathnayake and Hayo Thielecke},

	date-added = {2019-08-18 17:57:30 +0000},

	date-modified = {2019-08-18 18:00:13 +0000},

	journal = {arXiv:1405.7058},

	title = {Static Analysis for Regular Expression Exponential Runtime via Substructural Logics},

	year = {2017}}

@article{campeanu2003formal,

	author = {C{\^a}mpeanu, Cezar and Salomaa, Kai and Yu, Sheng},

	journal = {International Journal of Foundations of Computer Science},

	number = {06},

	pages = {1007--1018},

	publisher = {World Scientific},

	title = {A formal study of practical regular expressions},

	volume = {14},

	year = {2003}}

@article{alfred2014algorithms,

	author = {Alfred, V},

	journal = {Algorithms and Complexity},

	pages = {255},

	publisher = {Elsevier},

	title = {Algorithms for finding patterns in strings},

	volume = {1},

	year = {2014}}

@article{CAMPEANU2009Intersect,

	abstract = {In this paper we revisit the semantics of extended regular expressions (regex), defined succinctly in the 90s [A.V. Aho, Algorithms for finding patterns in strings, in: Jan van Leeuwen (Ed.), Handbook of Theoretical Computer Science, in: Algorithms and Complexity, vol. A, Elsevier and MIT Press, 1990, pp. 255--300] and rigorously in 2003 by C{\^a}mpeanu, Salomaa and Yu [C. C{\^a}mpeanu, K. Salomaa, S. Yu, A formal study of practical regular expressions, IJFCS 14 (6) (2003) 1007--1018], when the authors reported an open problem, namely whether regex languages are closed under the intersection with regular languages. We give a positive answer; and for doing so, we propose a new class of machines --- regex automata systems (RAS) --- which are equivalent to regex. Among others, these machines provide a consistent and convenient method of implementing regex in practice. We also prove, as a consequence of this closure property, that several languages, such as the mirror language, the language of palindromes, and the language of balanced words are not regex languages.},

	author = {Cezar C{\^a}mpeanu and Nicolae Santean},

	doi = {https://doi.org/10.1016/j.tcs.2009.02.022},

	issn = {0304-3975},

	journal = {Theoretical Computer Science},

	keywords = {Extended regular expression, Regex automata system, Regex},

	note = {Formal Languages and Applications: A Collection of Papers in Honor of Sheng Yu},

	number = {24},

	pages = {2336-2344},

	title = {On the intersection of regex languages with regular languages},

	url = {https://www.sciencedirect.com/science/article/pii/S0304397509001789},

	volume = {410},

	year = {2009},

	bdsk-url-1 = {https://www.sciencedirect.com/science/article/pii/S0304397509001789},

	bdsk-url-2 = {https://doi.org/10.1016/j.tcs.2009.02.022}}

@article{nielson11bcre,

	author = {Lasse Nielsen, Fritz Henglein},

	date-added = {2019-07-03 21:09:39 +0000},

	date-modified = {2019-07-03 21:17:33 +0000},

	journal = {LATA},

	title = {Bit-coded Regular Expression Parsing},

	year = {2011},

	bdsk-file-1 = {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}}

@software{regexploit2021,

	author = {Ben Caller, Luca Carettoni},

	date-added = {2020-11-24 00:00:00 +0000},

	date-modified = {2021-05-07 00:00:00 +0000},

	keywords = {ReDos static analyser},

	month = {May},

	title = {regexploit},

	url = {https://github.com/doyensec/regexploit},

	year = {2021},

	bdsk-url-1 = {https://github.com/doyensec/regexploit}}

@misc{KuklewiczHaskell,

	author = {Kuklewicz},

	keywords = {Buggy C POSIX Lexing Libraries},

	title = {Regex Posix},

	url = {https://wiki.haskell.org/Regex_Posix},

	year = {2017},

	bdsk-url-1 = {https://wiki.haskell.org/Regex_Posix}}

@misc{regex101,

	author = {Firas Dib},

	keywords = {regex tester debugger},

	title = {regex101},

	url = {https://regex101.com/},

	year = {2011},

	bdsk-url-1 = {https://regex101.com/}}

@misc{atomEditor,

	author = {Dunno},

	keywords = {text editor},

	title = {Atom Editor},

	url = {https://atom.io},

	year = {2022},

	bdsk-url-1 = {https://atom.io}}

@techreport{grathwohl2014crash,

	author = {Grathwohl, Niels Bj{\o}rn Bugge and Henglein, Fritz and Rasmussen, Ulrik Terp},

	institution = {Technical report, University of Copenhagen},

	title = {A Crash-Course in Regular Expression Parsing and Regular Expressions as Types},

	year = {2014}}

@misc{SE16,

	author = {StackStatus},

	date-added = {2019-06-26 11:28:41 +0000},

	date-modified = {2019-06-26 16:07:31 +0000},

	keywords = {ReDos Attack},

	month = {July},

	rating = {5},

	read = {1},

	title = {Stack Overflow Outage Postmortem},

	url = {https://stackstatus.net/post/147710624694/outage-postmortem-july-20-2016},

	year = {2016},

	bdsk-url-1 = {https://stackstatus.net/post/147710624694/outage-postmortem-july-20-2016}}

@article{HosoyaVouillonPierce2005,

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	journal = {ACM Transactions on Programming Languages and Systems (TOPLAS)},

	number = 1,

	pages = {46--90},

	title = {{R}egular {E}xpression {T}ypes for {XML}},

	volume = 27,

	year = {2005}}

@misc{POSIX,

	note = {\url{http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap09.html}},

	title = {{T}he {O}pen {G}roup {B}ase {S}pecification {I}ssue 6 {IEEE} {S}td 1003.1 2004 {E}dition},

	year = {2004}}

@inproceedings{AusafDyckhoffUrban2016,

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	volume = {9807},

	year = {2016}}

@article{aduAFP16,

	author = {F.~Ausaf and R.~Dyckhoff and C.~Urban},

	issn = {2150-914x},

	journal = {Archive of Formal Proofs},

	note = {\url{http://www.isa-afp.org/entries/Posix-Lexing.shtml}, Formal proof development},

	title = {{POSIX} {L}exing with {D}erivatives of {R}egular {E}xpressions},

	year = 2016}

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	annote = {draft report},

	author = {N.~B.~B.~Grathwohl and F.~Henglein and U.~T.~Rasmussen},

	institution = {University of Copenhagen},

	title = {{A} {C}rash-{C}ourse in {R}egular {E}xpression {P}arsing and {R}egular {E}xpressions as {T}ypes},

	year = {2014}}

@inproceedings{Sulzmann2014,

	author = {M.~Sulzmann and K.~Lu},

	booktitle = {Proc.~of the 12th International Conference on Functional and Logic Programming (FLOPS)},

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	series = {LNCS},

	title = {{POSIX} {R}egular {E}xpression {P}arsing with {D}erivatives},

	volume = {8475},

	year = {2014}}

@inproceedings{Sulzmann2014b,

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	year = {2014}}

@book{Pierce2015,

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	note = {\url{http://www.cis.upenn.edu/~bcpierce/sf}},

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	title = {{S}oftware {F}oundations},

	year = {2015}}

@misc{Kuklewicz,

	author = {C.~Kuklewicz},

	howpublished = {\url{https://wiki.haskell.org/Regex_Posix}},

	title = {{R}egex {P}osix}}

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@article{Owens2,

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	number = {4},

	pages = {377--409},

	timestamp = {Wed, 16 Dec 2009 13:51:02 +0100},

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@misc{PCRE,

	title = {{PCRE - Perl Compatible Regular Expressions}},

	url = {http://www.pcre.org},

	bdsk-url-1 = {http://www.pcre.org}}

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@techreport{OkuiSuzukiTech,

	author = {S.~Okui and T.~Suzuki},

	institution = {University of Aizu},

	title = {{D}isambiguation in {R}egular {E}xpression {M}atching via {P}osition {A}utomata with {A}ugmented {T}ransitions},

	year = {2013}}

@inproceedings{Davis18,

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	numpages = {11},

	pages = {246--256},

	title = {{T}he {I}mpact of {R}egular {E}xpression {D}enial of {S}ervice ({ReDoS}) in {P}ractice: {A}n {E}mpirical {S}tudy at the {E}cosystem {S}cale},

	year = {2018}}