lexer — independent software & tools

5 independent lexer listings the big search engines bury.

• @eslint/css-tree

  npm · Free · by GitHub Actions

  A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

• solve-engine

  npm · Free · by GitHub Actions

  An embeddable expression engine for natural-language calculations: units, currencies, percentages, dates and matrices, with the parsing and evaluation plumbing already built.

• chevrotain

  npm · Free · by GitHub Actions

  Chevrotain is a high performance fault tolerant javascript parsing DSL for building recursive decent parsers

• css-tree

  npm · Free · by lahmatiy

  A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

• micromark

  npm · Free · by wooorm

  small commonmark compliant markdown parser with positional info and concrete tokens