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How to use
- 1.Enter a regex pattern.
- 2.Toggle any flags you need.
- 3.Paste sample text and review matches with groups.
Test regular expressions online with ToolBuddy. Check regex matches, groups, and flags fast with private browser-based processing.
Everything you need to use this tool correctly, understand its value, and apply it in real workflows.
See real workflows where this tool fits naturally, then jump straight into the matching guide.
Regex Tester use cases
Practical workflows and common jobs you can handle with Regex Tester.
Open workflow
JSON Formatter
Continue from Regex Tester into json formatter for the next step in the workflow.
Open workflow
QR Generator
Continue from Regex Tester into qr generator for the next step in the workflow.
Open workflow
Format and validate JSON with a fast developer tool for readable output, error checks, and local processing.
Generate QR codes instantly for any URL or text. Download as PNG and revisit recent QR entries with your anonymous ToolBuddy history.
Compress JPG, PNG, and WebP files with a fast private image tool that runs locally in your browser.
Have more questions? Reach out via our contact page and we will respond within 24 hours.
No. Pattern testing happens locally in your browser.
Common browser flags like i, m, s, and u are supported.
Yes, each match includes group details.
Yes.