Free Online Regulex Visualizer (Regular Expression Diagrammer)
Build, test, and visualize regular expressions with live pattern matching and explanations.
How to use Regulex Visualizer
- Enter your regular expression pattern
- Type or paste test text to match against
- Enable regex flags as needed (g, i, m, s)
- View matches highlighted in your test text
- See visual pattern breakdown and explanation
Keyboard Shortcuts
Ctrl+Enter Test Regex
Ctrl+Z Undo
Ctrl+Shift+Z Redo
Common Patterns
Regular Expression Pattern
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chars
matches
ms
Valid Pattern
Invalid Pattern
Test String
Matches Found:
Pattern Structure
Pattern Explanation
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