RegExpress vs Byoky

RegExpress is a complete regular expression toolkit for iPhone, iPad, and Mac. Create, test, understand, and refine regex patterns in one focused workspace, whether you are learning the basics or maintaining production expressions. Test with the flavor you actually use. RegExpress supports Swift Regex, Foundation (ICU), JavaScript/ECMAScript, Python Compatibility Mode, and native PCRE2. Flavor-aware options, syntax references, examples, diagrams, comparisons, and compatibility details help you spot differences before they become bugs. Write and test with confidence See live matches and capture groups as you type. Switch between automatic and manual execution, inspect clear errors, and keep the editor responsive during demanding patterns. Built-in safety analysis identifies potential backtracking risks, while find and replace lets you preview changes before applying them. Focus on complex patterns Open the multiline Focus Editor for more room, syntax-aware tools, a persistent token dock, flavor-specific options, visual railroad diagrams, code snippets, and quick access to the Pattern Builder, test suites, and reference material. Understand and improve every expression Turn plain-language requirements and examples into a regex. Explore explanations, recommendations, optimization suggestions, debugging tools, diagrams, and a searchable cheat sheet. Compare patterns by matches, compatibility, and performance to choose the right approach. Build a reusable regex workflow Save patterns, organize them into folders and automatic collections, keep history, and create test suites with positive and negative cases. Save complete .regexpress workspaces, reopen .regproj test projects, import shared content, and generate code for your project. A command palette, Spotlight integration, App Shortcuts, multiwindow support, and sharing tools keep common actions close at hand. Learn by doing Browse flavor-aware examples, follow guided tutorials, use the syntax reference, and practice with challenges designed for different skill levels. A useful free experience Core editing, unlimited live matching, all five engines, standard options, capture results, find and replace, examples, reference material, and Swift code generation are free. You can also save up to 20 patterns, keep 50 recent history items, create one test suite with up to 10 manual cases, and use selected previews of advanced tools. RegExpress Pro is available as a one-time purchase with no subscription. Pro unlocks deeper debugging and performance analysis, complete visual tools, advanced generation and optimization, additional code targets, unlimited tests and saved content, iCloud sync, advanced organization, and more. Whether you need a quick match, a visual explanation, or a repeatable testing workflow, RegExpress helps you build regex with clarity and confidence.

Byoky is an encrypted wallet for your AI API keys. Store credentials for Claude, ChatGPT, Gemini, and 12 more providers in one place — then let any compatible app use them without ever seeing the key. WHY BYOKY Every AI app asks for your OpenAI key, your Anthropic key, your Gemini key — or charges a monthly subscription on top of what you already pay the model provider. Byoky flips that: bring your own key, use it everywhere. HOW IT WORKS 1. Set a master password — your vault is encrypted on-device with AES-256-GCM. 2. Add your API keys or a Claude Pro setup token. 3. Open any Byoky-enabled app in Safari, or scan a QR code to pair a desktop or web app. Approve access in one tap — keys stay in the wallet. FEATURES • Safari Web Extension — connect apps you visit in Safari with one tap • QR pairing — pair any browser on any device via relay • 15 AI providers — Anthropic, OpenAI, Gemini, Mistral, Cohere, xAI, DeepSeek, Perplexity, Groq, Together, Fireworks, OpenRouter, Azure OpenAI, and more • Setup tokens — use your Claude Pro or Max subscription, not only pay-per-use API keys • Apps tab — install curated mini-apps that run inside the wallet, sandboxed • Token Pool — discover free token gifts shared by the community, or publish your own • Token gifts — share access with friends or teammates without sharing the key; set budgets, expirations, and revoke anytime • Alias Groups — bucket apps by purpose (Personal, Work, Side Project) and pin each group to a specific key • Cross-provider routing — drag an app from a Claude group into a GPT group and the wallet transparently translates the request body and streaming response • Full audit log — every request timestamped by app, provider, and status • Spending caps — per-app and per-provider token limits enforced in the proxy • Encrypted export/import — back up the vault as a .byoky file • Local-first — no cloud account, no telemetry, no tracking SECURITY • AES-256-GCM encryption with PBKDF2 key derivation (600,000 iterations) via Web Crypto API • Master password never leaves the device • Keys never leave the wallet — apps only receive short-lived session tokens • Open-source under MIT license — read the code on GitHub FOR DEVELOPERS Integrate in two lines with @byoky/sdk. Use the native Anthropic, OpenAI, or Google SDK — just swap in Byoky's fetch. Streaming, tool use, file uploads, and vision all work. No API keys in your code. No secrets management. No leaked .env files.