How to Use the Regex Tester

Use the form above to test your regular expressions against sample text. This tool helps you validate and debug your regex patterns effectively.

• Regular Expression: Enter the regex pattern you want to test. Ensure it's correctly formatted.
• Flags: Specify regex flags such as g (global), i (case-insensitive), or m (multiline).
• Sample Text: Input the text you want to test your regex against.
• Test Regex: Click this button to see the matches and replacements based on your regex pattern.
• Results: View the matches and the result of applying a replacement using the provided regex.

This tool is invaluable for developers working with text processing, validation, and data extraction tasks.