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4.10. flex

Flex is a free implementation of lexx.

4.10.1. UNIX or Win32 Cygwin: flex

Flex is available for most of the UNIX-like platforms and as the flex package from the Cygwin setup.

If GNU flex isn't already installed or available as a package for your platform, you can get it at:

After correct installation, typing at the bash command line prompt:

$ flex --version

should result in something like:

        flex version 2.5.4

However, the version string may vary.

4.10.2. Win32 native: flex

A native Win32 lexx/flex package can be obtained from The installation should be straightforward.

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