User Agent Parser

A fast and comprehensive user agent string parser for Rust that detects:

• Browsers (Chrome, Safari, Firefox, etc.)
• Operating Systems (Windows, macOS, Android, etc.)
• Device Types (Mobile, Tablet, Desktop, etc.)

Features

• 🚀 Fast parsing using optimized regular expressions
• 📦 No external network requests - works offline
• 🧩 Comprehensive coverage of browsers, OSes, and devices
• 🔍 Accurate detection of modern and legacy user agents
• 🛠 Serde support for easy serialization/deserialization
• 📚 Well-documented with examples

Installation

Add this to your Cargo.toml:

[dependencies]
agent-parser-ro = "0.1"

Usage

use agent_parser_ro::{UserAgentParser, Browser, OperatingSystem, DeviceType};

let info = UserAgentParser::parse("Mozilla/5.0 (iPhone; CPU iPhone OS 14_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1");

assert_eq!(info.os, OperatingSystem::IOS);
assert_eq!(info.browser, Browser::Safari);
assert_eq!(info.device_type, DeviceType::Mobile);

Contributing

Contributions are welcome! Please open an issue or submit a PR for:

• New browser/OS/device detection
• Performance improvements
• Bug fixes

License

Dual-licensed under MIT or Apache 2.0 at your option.