# Regex Tester

> Live regex matching, group highlights, replace mode and saved patterns.

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

## Overview

- **ID:** `com.siamakerlab.regextester`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Sia Makerlab
- **Category:** TOOLS
- **Downloads:** 26
- **Version:** 1.26.1
- **Last updated:** 2026-08-30
- **First published:** 2026-06-22
- **Publisher country:** KR
- **Size:** 6.95 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.siamakerlab.regextester)
- **Website:** [https://apps.siamakerlab.com/regex-tester/](https://apps.siamakerlab.com/regex-tester/)
- **Privacy policy:** [https://apps.siamakerlab.com/regex-tester/privacy-policy/](https://apps.siamakerlab.com/regex-tester/privacy-policy/)

## Description

Regex Tester is a fast, offline-friendly tool for building and debugging regular expressions right on your phone.<br><br>FEATURES<br>• Live matching — results update the moment you type, with every match and capturing group highlighted in color.<br>• Flags — toggle i (ignore case), m (multiline), s (dot matches newline), x (comments) and u (unicode character classes).<br>• Replace mode — preview a full replace-all using $1 group back-references.<br>• Match details — exact ranges and per-group values, with one-tap copy and share.<br>• Save patterns — keep frequently used patterns and reload them with a tap.<br>• Quick-insert buttons — drop common tokens (\d, \w, \s, (), [], …) at the cursor.<br>• Cheat sheet — a built-in reference for common regex tokens.<br>• English and Korean.<br><br>Matching uses the standard Java/Android regular-expression engine. Patterns you save stay on your device and are never uploaded.

## Rankings

- #2,506,834 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `com.siamakerlab.regextester.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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