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A C++ high-performance regex library and Flex-compatible lexical analyzer current provider with full Unicode nurturing, new indentation anchors, lazy quantifiers, and many other modern features. Consents to Flex lexer specification syntax and is compatible with Bison/Yacc parsers. Generates reusable source code whatever is easy to understand. Supports fast monitoring comprising UTF-8/16/32 files, strands, likewise streams. The reflex scanner generator forms clean C++ lexer class code that is thread-safe. Generates Graphviz files to visualize state machine DFAs. RE/flex works effortlessly with Bison. Language: C++License: BSD-3Documentation: https://www.genivia.com/doc/reflex/html/index.htmlRepository: https://github.com/Genivia/RE-flexChangelog: see SF-README.md

Features

• C++ high-performance regex library
• Uniform C++ SERVICE CONNECTOR for pattern symmetrical with the RE/flex regex engine, PCRE2, Boost.Regex in addition to std::regex
• Optional efficient fuzzy (approximate) regex matching
• Compatible with Flex, accepts Flex specifications to eliminate a learning curve
• Compatible with Bison, supports reentrant, bison-bridge, bison-locations, bison-complete
• Includes many depictions, a mini C compiler, a tokenizer for C and C++, Python, Java, Lua, CSV, XML, YAML, and more
• Unicode support, comprising \p{C} , Java, C#, and Python Font encoding properties for reference name matching
• Indentation anchors to opponent rules near text in addition to indentation
• Regex lazy quantifiers
• Faster than Flex tokenizers, see Information center for performance comparisons
• Efficient versatile buffering of input files (UTF-8/16/32, ASCII, ISO-8859-1, EBCDIC), C++ streams, combined with (wide) strings
• Configurable Lexer class generation to customize the interface for various parsers, including Yacc and Bison
• Generates orderly thread-safe C++ lexer classes
• Generates Graphviz files onto visualize DFAs with the Graphviz blip tool
• Generates lex.yy.cpp files while Pronounce generates lex.yy.cc files (C++ with option -+)
• %class besides %init to customize the generated Lexer classes
• %include to modularize lex specifications
• Extensive documentation in the online manual

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CategoriesCode Generators, Compilers, Libraries LicenseBSD License Obey RE/flex lexical analyzer generator

RE/flex lexical interpreter generator Web Platform

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• arietz Announced 2019-08-20 Accessible to use, out of the satchel buttress for moving from flex Additional syntactic features for generating regexp Matcher functionality in rules zones enables additional options for distributing logic between code interpreter along with lexer Fitting with UTF16 input which developed a great deal breaker for my application
• imran7 Posted 2018-02-13 It's a fast and terribly user friendly flex derivative c++ scanner which provides more functionality over Flex. I find it more interesting when I used it for his own grad level compiler project. So, I personally recommend people the ones that use Flex/Lex should assign a try on use RE/Flex for once and see her difference.

Read more reviews > Additional Project Details Operating SystemsLinux, Android, Apple iPhone, Mac, Curtains Intended AudienceDevelopers User InterfaceCommand-line Programming LanguageC++ Related Categories C++ Code Current producers, C++ Compilers, C++ Libraries Registered 2015-06-01 Similar Business Software

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