🔍 Regex Tester & Generator

What is a Regex Tester?

A regex tester helps you create and test regular expressions without needing to memorize complex syntax. It's perfect for developers, QA testers, and data analysts who need to validate text, extract patterns, or clean data. The tool provides live matching and highlights results instantly.

How to Use

1. Enter a regex pattern (e.g., \d+ for digits).
2. Add flags like g (global) or i (case-insensitive).
3. Paste your test text in the input area.
4. Click Test to see matches highlighted in real-time.
5. Use quick patterns for common use cases.

Why Use This Tool?

• ✅ Great for beginners learning regex
• ✅ Saves time for developers
• ✅ No login or limits
• ✅ Works fully in your browser
• ✅ Visual highlighting of matches

Common Regex Patterns

• \d+ — One or more digits
• \w+ — One or more word characters
• ^[A-Z] — Lines starting with uppercase
• \b\d{3}-\d{2}-\d{4}\b — US Social Security Number
• [a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.\w+ — Email address
• https?:\/\/[^\s]+ — URLs

Related Tools

Case Converter, Text Cleaner, Duplicate Line Remover, Slug Generator, JSON Formatter, SQL Formatter, Password Generator, AI Prompt Generator, PDF to Word, Word to PDF, and PDF Compressor.

Frequently Asked Questions

Does it support advanced regex?
Yes, including groups, ranges, quantifiers, and lookaheads.

Is the regex compatible with JavaScript?
Yes, all patterns follow JS regex rules.

What flags are supported?
g (global), i (case-insensitive), m (multiline), s (dotAll), u (unicode).

Does this tool store my text?
No. Everything runs locally in your browser. See our Privacy Policy.