Projects / Fast Lexical Analyzer Generator

Fast Lexical Analyzer Generator

Flex is a tool for generating programs that recognize lexical patterns in text. There are many applications for Flex, including writing compilers in conjunction with GNU Bison. Flex is a free implementation of the well known Lex program. It features a Lex compatibility mode, and also provides several new features such as exclusive start conditions.


Recent releases

  •  05 Aug 2012 10:17

    Release Notes: The "make install" target was fixed for existing flex++ installations. New translations were added.

    •  23 Jul 2012 13:23

      Release Notes: Warnings on 64-bit platforms were eliminated. Several occurrences of persistent errors were fixed. The test suite was improved. Documentation was improved. New translations were added.

      •  29 Jan 2010 19:58

        Release Notes: Just a bugfix and security release.

        •  23 Feb 2006 06:03

          Release Notes: Numerous bug and security fixes were done. A number of new translations from the translation project are included as well.

          •  04 Apr 2003 00:16

            Release Notes: The --enable-maintainer-mode configure switch was removed. yylineno is per-buffer in reentrant scanners. A new %top directive was added. m4 is used to generate scanners. Automatic stack management has been added for input buffers. yy namespace cleanups were made, along with other bugfixes and portability fixes.

            Recent comments

            20 Aug 2010 19:11 rxantos

            If the library is GPL why then include the BSD license tag? Does that means that you can choose what license to use?


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