JFlex is a lexical analyzer generator for Java, designed to create fast and efficient scanners. It takes regular expression specifications and produces Java code for tokenizing input text. ​

Features

  • Generates fast and compact Java-based scanners
  • Supports full Unicode and customizable encodings
  • Offers a convenient specification syntax
  • Compatible with JLex specifications
  • Integrates well with parser generators like CUP
  • Open-source under the BSD license​

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Additional Project Details

Programming Language

Java

Related Categories

Java Libraries

Registered

2025-04-25