Capyflare Regex
Move the cursor over a token to see its explanation.

Ready.

Test string Browser JavaScript RegExp input
0 matches 0 ms
Tools Matches, explanation, replace and export 

        


        

          
Current pattern, flags, text, replacement and matches.

          

        

      


      
    


    

      

        

          JavaScript RegExp engine
          Live matches · groups · replacements
        

        

          The editor uses the browser JavaScript RegExp engine. It highlights matches, explains tokens,
          previews replacements and keeps the current pattern locally in the browser.
        

      


      

        

          Quick workflow
          RegExr-style editor
        

        

          Edit the expression and flags, paste sample text, review matches and groups, preview replacements, then copy or
          download the JSON export. State is saved locally in the browser.