UtilFoundryDEV TOOLS

Regex Visualizer

Explain a regular expression token by token, so a dense pattern can be read in order.

  • 100% Free
  • No account required
  • Runs in your browser
  • No data is uploaded
Not saved automatically

Private to this browser, not a cloud backup. Saves expire 7 days after the last save. Avoid saving sensitive data on shared devices.

Saved Regex Visualizer workspaces

Saved only on this device. Clearing browser data removes your workspaces. Expired saves are removed when this app next checks storage.

No saved workspaces for this tool yet.

No settings needed
Regex to Pattern tokens

Input

Paste or edit your pattern, then click “Run tool”.

Type, paste or drop a file
Regex
Ln 1, Col 1Spaces: 2UTF-832 bytes

Output

Pattern tokens (read-only).

Read-only
Text
Ln 1, Col 1Spaces: 2UTF-80 bytes
Ready when you arePaste your input, then press Run tool or ⌘ ↵