Patterns & Tester
Interactive Visual Regex Builder & Tester
Test regular expressions with real-time match highlighting, error reporting, flag toggles, and instant cheatsheets for common patterns.
Interactive Visual Regex Builder & TesterStandard RegExp
Build, test, and debug regular expressions with instant syntax validation, token breakdown, and common battle-tested patterns.
Patterns:
Test StringMatches: 2
Captured Matches (2)
Quick Cheatsheet
^ / $: Start / End of string
\d / \D: Digit / Non-digit
\w / \W: Word / Non-word char
+ / *: 1+ or 0+ repetitions
Real-Time Match Extraction
Pre-Tested Production Patterns
Flags (g, i, m) Configurator
Token Breakdown & Cheatsheet
How to Use Interactive Visual Regex Builder & Cheatsheet (Step-by-Step Guide)
No software installation required. Complete your task in 3 easy steps directly in your browser.
1
Select a Pattern or Write Regex
Choose Email, TC Kimlik, Phone, URL, or IPv4 presets, or write custom RegExp.
2
Toggle Flags & Enter Test Text
Set Global (g), Case-Insensitive (i), or Multiline (m) flags.
3
Inspect Captured Matches
Review extracted matches chips, syntax status, and copy regex declarations.
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Got Questions?
Frequently Asked Questions
It uses your browser native JavaScript RegExp engine, ensuring 100% fidelity with standard JS/TS runtime behavior.