Generate a draft regular expression from a description using a browser-run AI model.
Enter a description to generate regex
Describe the text you want to match and include positive and negative examples when possible. The local model can suggest a starting pattern and explanation after its assets have loaded. Test the draft in the intended regex engine before using it in code.
Ask for a pattern that matches a three-letter prefix followed by four digits, then test both ABC1234 and invalid examples.
Model setup requires downloads and a compatible WebGPU browser. Generated patterns can be incorrect or inefficient and may use syntax unsupported by your target engine.
Initialize the local model in a compatible browser. Choose generation or explanation and enter your request. Review the response and test any suggested pattern against examples.
Model setup requires downloads and a compatible WebGPU browser. Generated patterns can be incorrect or inefficient and may use syntax unsupported by your target engine.
No registration, no tracking of your content, no server uploads. Don't just take our word for it:
Your files and text are processed entirely on your device. Nothing is ever sent to us.
Once loaded, this tool keeps working with your Wi-Fi turned off. Try it.
Open your browser's DevTools → Network tab. You'll see zero requests carrying your data.
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