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Is there a way to modify the default lexical error message from within an .x file.

Status: Open.

#276 In haskell/alex;

· jamiloBBKing opened on Jun 25, 2025

Is there a way to be able to run a lexer from two different start codes?

Status: Open.

#267 In haskell/alex;

· jamiloBBKing opened on Feb 24, 2025

Is module DFS really needed?

Status: Open.

#232 In haskell/alex;

· ivanperez-keera opened on Apr 27, 2023

UTF-8 and text 2.0

re: unicode

Status: Open.

#211 In haskell/alex;

· pnotequalnp opened on Mar 15, 2022

Agda-style Lexing

discussion

Status: Open.

#203 In haskell/alex;

· Ericson2314 opened on Jan 23, 2022

How to build <code>alex</code> from git sources? Instructions in <code>README.md</code> are broken.

bug

build / installConcerning building and/or installing AlexConcerning building and/or installing Alex

documentation

Status: Open.

#198 In haskell/alex;

· andreasabel opened on Jan 22, 2022

Explore unboxed parser representations

Status: Open.

#193 In haskell/alex;

· Boarders opened on Sep 15, 2021

Feature request: Add support for UTF8 bytestring wrappers (utf8-bytestring-basic, utf8-bytestring-posn...)

Status: Open.

#192 In haskell/alex;

· notYuriy opened on Aug 10, 2021

Don't vendor Ranged-sets?

Status: Open.

#182 In haskell/alex;

· Ericson2314 opened on Mar 19, 2021

Allow custom error types in monad wrappers

feature request

wrapperConcerning wrapper codeConcerning wrapper code

Status: Open.

#178 In haskell/alex;

· anka-213 opened on Feb 26, 2021

Empty language crashes alex with (Array.!): undefined array element

Status: Open.

#164 In haskell/alex;

· andreasabel opened on Oct 10, 2020

Alex slow on big regular expressions

Status: Open.

#163 In haskell/alex;

· andreasabel opened on Oct 8, 2020