# Foundatio Parsers Documentation

> Extensible Query Parser

Lucene-style query parsing with Elasticsearch and SQL support

## Table of Contents

### Introduction

- [What is Foundatio.Parsers?](/guide/what-is-foundatio-parsers.md)
- [Getting Started](/guide/getting-started.md)

### Core Concepts

- [Query Syntax](/guide/query-syntax.md)
- [Aggregation Syntax](/guide/aggregation-syntax.md)
- [Field Aliases](/guide/field-aliases.md)
- [Query Includes](/guide/query-includes.md)
- [Validation](/guide/validation.md)
- [Visitors](/guide/visitors.md)

### Advanced Topics

- [Custom Visitors](/guide/custom-visitors.md)
- [Elasticsearch Integration](/guide/elastic-query-parser.md)
- [Elasticsearch Mappings](/guide/elastic-mappings.md)
- [SQL Integration](/guide/sql-query-parser.md)
- [Troubleshooting](/guide/troubleshooting.md)

### Other

- [Aggregation Syntax](/aggregations.md)
- [Foundatio.Parsers Documentation](/README.md)
- [Query Syntax](/query.md)