# Request RegEx Filter

> This Add-on will filter all HTTP requests (including requests for javascript files, images etc) based on the list of regular expressions the user provides. The addon works off of a Deny-list configured via the Options/Settings page for the Addon

Canonical page: [https://chrome-stats.com/d/request-regex-filter](https://chrome-stats.com/d/request-regex-filter)

## Overview

- **ID:** `request-regex-filter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Henry Lu
- **Category:** download-management,privacy-security,other
- **Daily users:** 6
- **Rating:** 4.60 / 5 (5 ratings)
- **Version:** 1.1resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-09-19
- **Size:** 10 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/request-regex-filter/)
- **Website:** [https://github.com/Raido0812/Raido.RequestRegExFilter.WebExtension](https://github.com/Raido0812/Raido.RequestRegExFilter.WebExtension)

## Description

Request RegEx Filter is a Firefox add-on that filters all HTTP requests using a denylist of regular expressions. Users can configure the denylist via the Options/Settings page of the add-on.

## Rankings

- #39,823 — Overall
- #32 — request

## Permissions and access

### Permissions

- `webRequest`
- `<all_urls>`
- `storage`
- `webRequestBlocking`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> 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/request-regex-filter)