Regex Tester & Debugger

Test and debug regular expressions online instantly.

Matches (0)

    How to Use

    • Enter your regex pattern
    • Add flags like g, i, m
    • Paste your test string
    • View matches instantly

    What is Regex?

    Regular expressions (regex) are patterns used to match text. They are widely used in programming for validation and parsing.

    Why Use This Tool?

    • Test regex online instantly
    • Debug patterns quickly
    • Understand match results

    Features

    • Supports flags (g, i, m)
    • Instant matching
    • Error handling
    • Fast and browser-based

    Use Cases

    • Form validation
    • Data extraction
    • Log parsing

    This tool runs entirely in your browser and does not store your data.