# Technical Documentation: doctrine/lexer

> ℹ️ **Provenance:** Standard README.md · [CodeWiki Reference](https://codewiki.google/github.com/doctrine/lexer) · Recency: Active (< 180 days)

# Doctrine Lexer

[](https://github.com/doctrine/lexer/actions)

Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers.

This lexer is used in Doctrine Annotations and in Doctrine ORM (DQL).

https://www.doctrine-project.org/projects/lexer.html

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