---
title: JFlex User's Manual
bibliography: manual.bib
---

<!--
  Copyright 2023, Gerwin Klein, Régis Décamps, Steve Rowe
  SPDX-License-Identifier: CC-BY-SA-4.0
-->

<center>
![](fig/jflex-black.png)

The Fast Lexical Analyser Generator

Copyright © 1998–2020 by
[Gerwin Klein](http://www.doclsf.de/), Steve Rowe, and
[Régis Décamps](http://regis.decamps.info/).

Version $VERSION, $RELEASE_DATE
</center>
