Package alex

Tool for generating lexical analysers in Haskell

https://hackage.haskell.org/package/alex

Alex is a tool for generating lexical analysers in Haskell. It takes a
description of tokens based on regular expressions and generates a Haskell
module containing code for scanning text efficiently. It is similar to the tool
lex or flex for C/C++.

General Commands
Command Description
alex the lexical analyser generator for Haskell