Regex Groups Viewer

How to use Regex Groups Viewer

Inspect numbered and named captures for a JavaScript regular expression. This regex groups viewer works directly in your browser and is free to use without an account.

1. Paste or open your input in the editor.
2. Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
3. Copy the result or download it to your device.

Regex Groups Viewer · Example

Name: Alice, ID: 123

[
  {
    "text": "Name",
    "index": 0,
    "captures": [
      "Name"
    ],
    "groups": {
      "name": "Name"
    }
  },
  {
    "text": "Alice",
    "index": 6,
    "captures": [
      "Alice"
    ],
    "groups": {
      "name": "Alice"
    }
  }
]

Inspect numbered and named captures for a JavaScript regular expression.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.