📋 Instructions: How to Use?

  1. Enter your regex pattern in the 'Regular Expression' box (e.g., [a-z]+).
  2. Enter any flags in the 'Flags' box (e.g., i for case-insensitive). The g (global) flag is added by default.
  3. Paste your text into the 'Test String' box.
  4. The 'Output' box will highlight all matches in real-time as you type.
  5. If your regex pattern is invalid, a red error box will appear.

Regular Expression (Regex) Tester

Test your regex patterns in real-time as you type. 


                    

                

            

        


        

            

                

                    

                        

                            Want to Learn How This Works?
                        

                        

                            This tool uses JavaScript's `new RegExp()` constructor and `.replace()` method. To learn JavaScript, check out the free 15,000-word guides on CodeWithMSMAXPRO.me.
                        

                        

                            
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