Regex Tester

Test regular expressions

Regex Tester

Test regular expressions with real-time matching and highlighting.

Common flags: g (global), i (case-insensitive), m (multiline)

Matches

10 found
Hello World! This is a test string with 123 numbers.

Match Details

1. Hello at index 0
2. World at index 6
3. This at index 13
4. is at index 18
5. a at index 21
6. test at index 23
7. string at index 28
8. with at index 35
9. 123 at index 40
10. numbers at index 44
🔒
Secure
Client-side only
Fast
Instant results
🆓
Free
No hidden costs
📱
Responsive
Works everywhere

About Regex Tester

Test regular expressions

Why Use Our Regex Tester?

  • 100% Free - No registration, signup, or payment required. Use unlimited times without any hidden costs.
  • Lightning Fast - Instant results with optimized performance. Process your data in seconds, not minutes.
  • Privacy First - All processing happens in your browser. Your data never leaves your device or gets stored on our servers.
  • Mobile Friendly - Works perfectly on all devices. Use on desktop, tablet, or smartphone with full functionality.
  • No Installation - Browser-based tool that works instantly. No downloads, no setup, no software installation needed.
  • Always Available - Access 24/7 from anywhere. Works online and offline once loaded.

Who Uses Regex Tester?

👨‍💼
Professionals

Use Regex Tester for quick, reliable results in your daily workflow. Save time and boost productivity.

👨‍💻
Developers

Integrate Regex Tester into your development process. Fast, reliable, and always available when you need it.

🎓
Students

Perfect for academic projects and assignments. Free tool with no signup barriers or limitations.

🏢
Businesses

Use Regex Tester for your business needs without licensing costs or per-user fees. Scale freely.

Key Features

Instant Processing

Get results immediately without waiting for uploads or server processing.

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Secure & Private

Your data stays on your device. No server uploads, no data collection, no tracking.

🎯
Easy to Use

Simple, intuitive interface designed for everyone. No learning curve required.

🌐
Works Everywhere

Compatible with all modern browsers and devices. Desktop, mobile, tablet.

♾️
Unlimited Usage

No limits on how many times you can use the tool. Process as much as you need.

How to Use Regex Tester

1

Input Your Data

Start by entering or pasting your content into the input field of the Regex Tester. You can also drag and drop files if supported.

2

Adjust Settings

Configure any available options to customize the output according to your needs. The tool updates in real-time.

3

Process and Download

Once you're happy with the result, you can copy it to your clipboard or download it to your device instantly.

Frequently Asked Questions

Is Regex Tester free to use?

Yes, Regex Tester is completely free to use. You don't need to create an account, sign up, or pay any subscription fees. All features are available to everyone at no cost.

Is my data safe when using Regex Tester?

Absolutely. Regex Tester processes all data locally in your web browser. Your data is never sent to our servers or any third parties, ensuring complete privacy and security.

Do I need to install any software to use Regex Tester?

No installation is required. Regex Tester is a web-based tool that runs directly in your browser. It works on all modern devices including desktops, tablets, and smartphones.

Can I use Regex Tester offline?

Yes, once the page is loaded, Regex Tester can function without an internet connection since all the processing logic is handled by your browser's JavaScript engine.

Is the code generated by Regex Tester standard compliant?

Yes, Regex Tester generates standard-compliant code that you can use directly in your projects.

Related Keywords:

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