🔍 Regex Tester

Regex101 Alternative — Free Regex Tester

Test regex patterns instantly in your browser with zero uploads and complete privacy.

Use Regex Tester Free → View Pro Plans
🔒 Your regex patterns and test data never leave your device—everything executes locally in your browser.

SnapTools Regex Tester lets you write, test, and debug regular expressions entirely in your browser. Runs in your browser. Files are never uploaded.

Why SnapTools
Built different by design
⚡
Instant Results Instant pattern matching with real-time feedback as you type
🔒
Zero Uploads Test against multiple strings and capture groups simultaneously
♾️
No Limits Runs in your browser. Files are never uploaded.
🌐
Works Anywhere No data leaves your device; everything runs locally in your browser
How it works
Three steps. That's it.
1
Paste or write your regex pattern in the editor
2
Enter test strings to match against your pattern
3
View instant results with highlighted matches and group captures

Ready to try it?

Free forever. No account required. No files uploaded anywhere.

Open Regex Tester Free →
Questions
Frequently asked
No. All regex patterns and test strings stay on your device. SnapTools processes everything in your browser with zero server uploads or logging.
No account or signup required. Just open the tool and start testing immediately. Your work is saved locally in your browser.
Runs in your browser. Files are never uploaded.
The tool supports standard JavaScript regex syntax and flags (g, i, m, s, u, y). This covers most common regex use cases for web development and text processing.
SnapTools runs entirely in your browser with no uploads or accounts needed, while Regex101 sends patterns to their servers. You get the same testing power with complete privacy.
More Regex Tester guides
Free Online Regex Tester
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