E. Cardoso, Maycon Amaro, Samuel da Silva Feitosa, L. Reis, A. R. D. Bois, R. Ribeiro
{"title":"The Design of a Verified Derivative-Based Parsing Tool for Regular Expressions","authors":"E. Cardoso, Maycon Amaro, Samuel da Silva Feitosa, L. Reis, A. R. D. Bois, R. Ribeiro","doi":"10.19153/cleiej.24.3.2","DOIUrl":null,"url":null,"abstract":"We describe the formalization of Brzozowski and Antimirov derivative based algorithms for regular expression parsing, in the dependently typed language Agda. The formalization produces a proof that either an input string matches a given regular expression or that no matching exists. A tool for regular expression based search in the style of the well known GNU grep has been developed with the certified algorithms. Practical experiments conducted with this tool are reported.","PeriodicalId":418941,"journal":{"name":"CLEI Electron. J.","volume":"26 4","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"CLEI Electron. J.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.19153/cleiej.24.3.2","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
We describe the formalization of Brzozowski and Antimirov derivative based algorithms for regular expression parsing, in the dependently typed language Agda. The formalization produces a proof that either an input string matches a given regular expression or that no matching exists. A tool for regular expression based search in the style of the well known GNU grep has been developed with the certified algorithms. Practical experiments conducted with this tool are reported.
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