re flex lexical analyzer generator online with Winfy

We have hosted the application re flex lexical analyzer generator in order to run this application in our online workstations with Wine or directly.

Quick description about re flex lexical analyzer generator:

RE/flex is the fast lexical analyzer generator (faster than Flex) with full Unicode support, indent/nodent/dedent anchors, lazy quantifiers, and many other modern features. Accepts Flex lexer specification syntax and is compatible with Bison/Yacc parsers. Generates reusable source code that is easy to understand. Supports fast scanning of UTF-8/16/32 files, strings, and streams. The reflex scanner generator tool generates clean lexer class code that is thread-safe. Generates Graphviz files to visualize state machine DFAs. RE/flex works seamlessly with Bison.

Language: C++
License: BSD-3
Code quality: A+ https: // cpp
Documentation: https: //
Repository: https: //
Changelog: see

  • RE/flex is fast: faster than Flex, see Wiki for performance comparisons
  • Generates reusable source code that is easy to understand
  • Compatible with Flex and Bison to eliminate a learning curve
  • Extensive documentation in the online manual
  • Adds Unicode support, property matching \p{C} and C++11, Java, C#, and Python Unicode properties for identifier name matching
  • Adds indent/nodent/dedent anchors to match rules on text with indentation
  • Adds lazy quantifiers to the POSIX regular expression syntax
  • Adds word boundaries to the POSIX regular expression syntax
  • Works with Bison and supports reentrant, bison-bridge, bison-locations, bison-complete
  • Includes many examples, such as a tokenizer for C/C++ code, a tokenizer for Python code, a tokenizer for Java code, and more
  • Generates clean thread-safe C++ lexer classes
  • Fast and adaptive buffering of input files (UTF-8/16/32, ASCII, ISO-8859-1, EBCDIC), C++ streams, and (wide) strings
  • Generates Graphviz files to visualize DFAs with the Graphviz dot tool
  • Configurable Lexer class generation to customize the interface for various parsers, including Yacc and Bison
  • %class and %init to customize the generated Lexer classes
  • %include to modularize lex specifications
  • RE/flex generates lex.yy.cpp files while Flex generates files (C++ with option -+)
  • Adds an extensible hierarchy of pattern matcher engines, with a choice of regex engines, such as Boost.Regex and RE/flex regex
  • The RE/flex regex library makes C++11 std: : regex and Boost.Regex much easier to use in plain C++ code for pattern matching on (wide) strings, files, and streams of potentially unlimited length

Audience: Developers.
User interface: Command-line.
Programming Language: C++.


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