Javascript Regular Expression Tester

Regular expression
Replace with (Optional)


About Javascript Regular Expression Tester
Regular Expression Tester is an online tool to test your regular expressions against a block of text and clearly highlights all matches. You can quickly test and debug your regex.

How to test Regex(Regular Expression)?

  • To test your Regular Expression enter your Regex expression in the input.
  • Enter your data which needs to be tested against the regular expression.
  • If you need to replace the matching regex data enter the matching content in the textbox.
  • Select various regex options by clicking the appropriate checkbox.
  • Click 'Test' button test your regex or 'Replace' to replace the matching content.
Related Tools

Javascript Regular Expression Tester