Summary

JFlex 1.9.1 is the current stable version, released in March 2023. It’s a free, open-source tool licensed under a BSD-style license and available for download, with a corresponding Maven plugin also at version 1.9.1.

Title

JFlex - JFlex The Fast Scanner Generator for Java

Description

This is the homepage of JFlex. JFlex is a lexer/scanner generator for Java, written in Java, with emphasis on Unicode support, speed and platform independence

Keywords

generator, input, java, regular, support, source, current, version, analyzer, expressions, parser, list, license, toggle, navigation, home, features

NS Lookup

A 45.33.63.100

Dates

Created 2026-03-09

Updated 2026-03-09

Summarized 2026-03-12