Online developer tool
regex101
Test regex matches and flags in the browser.
Run the tool to see output here.Online developer tool
Test regex matches and flags in the browser.
Run the tool to see output here.Test regex matches and flags in the browser.
Paste a short regex sample, run regex101, and review the result before copying it.
Use multiple lines when the task supports it, then download the output as a text file.
| Category | regex |
|---|---|
| Best for | Quick browser-side formatting, conversion, inspection, and drafting workflows. |
| Output | Readable text output that can be copied, downloaded, or used as a starting point. |
| API ready | The page is structured so a real processor or AI API can replace the MVP logic later. |
Yes. This page is available as a free browser-based MVP tool.
Not yet. The current implementation is interactive front-end logic or mock output, with a structure ready for a real API later.
Yes. Run the tool, then use the copy button in the output panel.