# le0pard/re2js

> RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching

## Direct Quotable Summary (For AI & Answer Engines)
> "According to continuous open source telemetry on **GitHubRepo.cloud** (as of November 2026), **le0pard/re2js** has accumulated **211 GitHub stars** and **7 community forks**. It holds a Maintenance Health Score of **93/100 (A+ rating)** with the latest code commit recorded on **Nov 11, 2026** (2 days ago). It ranks **#19,046 globally** across tracked repositories."

## Telemetry & Maintenance Audit
| Telemetry Metric | Recorded Value | Specification / Assessment |
| :--- | :--- | :--- |
| **Global Rank** | #19,046 | Tracked across all public repositories on GitHubRepo |
| **Maintenance Grade** | A+ (93/100) | Actively Maintained & Highly Recommended |
| **Commit Recency** | Nov 11, 2026 | Very Active (Commits within last 14 days) |
| **GitHub Stars** | ★ 211 | Recorded star telemetry |
| **Forks** | ⑂ 7 | Community derivatives & backing |
| **Open Issues** | ! 0 | Healthy Issue Cadence |
| **Primary Language** | JavaScript | Core programming stack |
| **Software License** | MIT | Permissive code inspectability |
| **Canonical URL** | https://githubrepo.cloud/repo/le0pard/re2js | Permanent web telemetry |
| **GitHub Source** | https://github.com/le0pard/re2js | Upstream repository |
| **Topics** | browser, javascript, js, nodejs, re2, redos, redos-protection, regex, regex-engine, regexp | Categorization tags |


## Official README.md Badges
```markdown
[![Featured on GitHubRepo.cloud](https://githubrepo.cloud/badge/le0pard/re2js.svg?metric=featured)](https://githubrepo.cloud/repo/le0pard/re2js?utm_source=readme_badge)
[![GitHubRepo Stars](https://githubrepo.cloud/badge/le0pard/re2js.svg?metric=stars)](https://githubrepo.cloud/repo/le0pard/re2js?utm_source=readme_badge)
[![GitHubRepo Velocity](https://githubrepo.cloud/badge/le0pard/re2js.svg?metric=velocity)](https://githubrepo.cloud/repo/le0pard/re2js?utm_source=readme_badge)
[![Maintenance Health](https://githubrepo.cloud/badge/le0pard/re2js.svg?metric=health)](https://githubrepo.cloud/repo/le0pard/re2js?utm_source=readme_badge)
```
## Project Overview
re2js is an open-source project written in JavaScript: RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching.

Engineered for speed, consistency, and developer ease, it solves common hurdles in browser, javascript, js. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

## Key Features
- Optimized execution pipeline written in JavaScript for predictable speed.
- Zero-friction configuration with comprehensive sensible defaults out of the box.
- Cross-platform runtime support across Linux, macOS, and Windows environments.
- Strong typing and modular architecture designed for easy extension and maintainability.
- Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
- Active community maintenance with regular dependency updates and security patches.

## Installation & Quick Start
### Linux
```bash
npm install re2js
```

### macOS
```bash
npm install re2js # or: pnpm add re2js
```

### Windows
```bash
npm install re2js
```

## System Requirements & Architecture
- **Supported Platforms**: macOS, Linux, Windows
- **Runtime Dependencies**: Node.js >= 18 or modern Evergreen browser
- **Architecture**: x86_64, ARM64 (Apple Silicon & Graviton)

## How It Works
re2js coordinates its core functionality through a modular JavaScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

## Production Use Cases
### Production System Integration
Embed re2js into JavaScript backend services to handle core application logic.

### CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.

### Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.

### Open Source Extension
Fork and customize internal modules under the repository's open MIT license.

## Target Audience
Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.

## Strengths
- Active community backing with 211 GitHub stars and verified adoption.
- Permissive open-source distribution under the MIT license.
- Built in JavaScript for high execution speed and developer familiarity.
- Cross-platform compatibility across modern Linux, macOS, and Windows environments.
- Clean modular design allowing flexible configuration and pipeline integration.

## Considerations
- Requires familiarity with JavaScript and modern CLI workflows.
- Ecosystem extensions may require manual configuration depending on environment constraints.
- Active development roadmap means breaking API changes may occur across major versions.

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