https://github.com/nqkdev/lucene-to-regex

A tiny project to convert boolean query string to regular expressions
https://github.com/nqkdev/lucene-to-regex

boolean-query lucene lucene-query regex

Last synced: 5 months ago
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A tiny project to convert boolean query string to regular expressions

• Host: GitHub
• URL: https://github.com/nqkdev/lucene-to-regex
• Owner: nqkdev
• License: mit
• Created: 2017-10-11T19:00:18.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2020-11-20T18:52:00.000Z (over 5 years ago)
• Last Synced: 2025-11-27T09:07:59.213Z (7 months ago)
• Topics: boolean-query, lucene, lucene-query, regex
• Language: JavaScript
• Size: 17.6 KB
• Stars: 5
• Watchers: 2
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Lucene to Regex for Javascript

[![Build Status](https://travis-ci.org/nqkdev/lucene-to-regex.svg?branch=master)](https://travis-ci.org/nqkdev/lucene-to-regex)

[![npm](https://img.shields.io/npm/v/lucene-to-regex.svg)]()

This tiny project provides ability to convert a boolean query string to regular expressions.

### Installation

```bash

npm install --save lucene-to-regex

```

### Usage

```js

const ltr = require('lucene-to-regex')

const regex = ltr.toRegex('Lucene AND Regex AND (easy NOT difficult)', 'i')

// regex: /^(?=.*?\bLucene\b)(?=.*?\bRegex\b)(?=.*?(?=.*?\beasy\b)(?!.*?\bdifficult\b)).*$/i

regex.test('Regex and Lucene are easy.')

// result: true

regex.test('Lucene and regex are difficult.')

// result: false

```

> You can set flag by passing an additional parameter to the method.

> Check out [bripkens/lucene](https://github.com/bripkens/lucene) for lucene