Regex Tester Live

Test regex patterns in real time with live match highlighting, capture group breakdown, and a built-in library of common patterns.

🔍 MASTER REGULAR EXPRESSIONS Regex Tester Live is your ultimate tool for writing, testing, and debugging regular expressions directly in your browser. ✨ KEY FEATURES: ⚡ LIVE TESTING • Real-time match highlighting as you type • Instant feedback on pattern validity • Test against multiple sample strings • See exactly where matches occur 🎯 CAPTURE GROUPS • Visual breakdown of all capture groups • Named group support • Group highlighting in different colors • Easy extraction of matched values 📚 PATTERN LIBRARY • Common regex patterns built-in • Email, phone, URL validators • Date/time patterns • Credit card formats • Custom patterns you can save 🛠️ DEVELOPER TOOLS • Multiple regex flags (g, i, m, s, u) • Quick reference cheat sheet • Export to multiple languages • Copy as JavaScript, Python, PHP ⚙️ CUSTOMIZATION • Dark mode interface • Adjustable font size • Persistent pattern history • Keyboard shortcuts 🏆 WHY REGEX TESTER LIVE? ✓ No more switching to online testers ✓ Works offline - all processing local ✓ Beautiful glassmorphism UI ✓ 3-day free trial, then just $0.99/month ✓ Privacy-first: your patterns stay on your device 💡 PERFECT FOR: • Web developers • Data analysts • QA engineers • Anyone working with text patterns Start your free trial today and master regex!