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Welcome to the JFlex wiki!

This is a space to collect documentation and articles that are not included with the main distribution and links to external JFlex grammars.

See http://jflex.de for the main project home page.

JFlex is a flex-like lexer generator for Java with emphasis on speed and full Unicode support. It has some not so usual features like negation in regexps and nested input streams. It can also read JLex specifications unchanged.

Users

Please use the github issue tracker for reporting problems or feature requests.

Contributors

Please read the Contributing guide.