Fedora Packages


Legacy version of flex, a tool for creating scanners

This is legacy version of flex, a program that generates scanners. Scanners are programs which can recognize lexical patterns in text. Flex takes pairs of regular expressions and C code as input and generates a C source file as output. The output file is compiled and linked with a library to produce an executable. The executable searches through its input for occurrences of the regular expressions. When a match is found, it executes the corresponding C code. Flex was designed to work with both Yacc and Bison, and is used by many programs as part of their build process. You should install flex if you are going to use your system for application development.

Releases Overview

Release Stable Testing
Fedora Rawhide 2.5.4a-33.fc41 -
Fedora 40 2.5.4a-32.fc40 -
Fedora 39 2.5.4a-30.fc39 -
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Package Info

You can contact the maintainers of this package via email at compat-flex dash maintainers at fedoraproject dot org.

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