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AI Regex Generator

Generate a regular expression from a plain-English requirement with examples and explanation.

◉ Free🧠 Local AI🔐 No Paid API Key

🧩 Run AI Tool

🧠 Browser AI
🆓 Free workflow
⬇ Copy / download output

📖 How to use

  • Enter the requested source text, context or document.
  • Choose available style, format or target options.
  • Run the tool and wait for the local model to load or generate.
  • Review the result before using or publishing it.

⚡ How it works

  • WebGPU browsers use a quantized Qwen2.5 0.5B instruction model.
  • Other supported browsers fall back to a smaller SmolLM instruction model.
  • First run downloads model files; later visits may reuse browser cache.
  • Verify important facts, code, formulas and translations.

💡 Privacy & limits

  • Your typed content is processed by the AI model running in your browser.
  • No paid TDH AI API key is required.
  • Model downloads can be large and performance depends on your device.
  • Do not paste passwords, private keys or highly sensitive information.