# RegExMaster

> Advanced Regular Expression Testing Tool with visual feedback and additional features

Canonical page: [https://chrome-stats.com/d/regexmaster](https://chrome-stats.com/d/regexmaster)

## Overview

- **ID:** `regexmaster`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** SA88
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2024-09-15
- **First published:** 2024-09-14
- **Size:** 23 KB
- **Data as of:** 2026-05-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/regexmaster/)

## Description

Test regular expressions with visual feedback
Save and load regular expressions
Clear inputs
Get page content for testing
Generate sample strings based on the regex
Explain the regex pattern and flags
Validate email addresses with a pre-defined regex
Dark/light theme options
Auto-save option for regexes
Limit the number of saved regexes

## Permissions and access

### Permissions

- `storage`
- `clipboardWrite`
- `tabs`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension is not longer available in the store

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/regexmaster)