RegexWizard

Developer, Web & Technical UtilitiesMath, Science & Health
Written By Harry Negron

Jivaro Tool

RegexWizard

Test patterns, inspect captures, preview replacements, save useful expressions, and run quick regex unit tests in your browser.

Donate Get Proxies Get a VPN
Ready Enter a pattern to begin.

Pattern Studio

JavaScript RegExp runs live. Other flavors are compatibility references.

Pattern Preview 

            


            

              

                
                
              

              

                
                
              

            


            
Flags

            


            

              

                Insert Tokens
                Added at cursor
              

              

            


            

              
              
            


            

              
              Privacy note: matching runs in this browser.
            


            

              
              
              
              
            

          

        


        

          

            

              
Saved Patterns

              
History is automatic. Favorites are saved when you click Favorite.

            

          

          

            

              

                History
                
              

              

            

            

              

                Favorites
                
              

              

            

          

        

      


      
      

        

          

            

              
Workspace

              
Live results update as you type.

            

            

              
              
              
              
              
            

          

          

            
Enter a pattern to begin.


            

              


              

                

                  Highlighted Output
                  

                    
                    
                  

                

                

              


              

                

                  
                    

                      #
                      Match
                      Start
                      End
                      Groups
                      Named Groups
                    

                  
                  
                

              


              

                Capture details
                

              

            


            

            

            

            
          

        

      

    

  


  







  
  










          

          
          
            

              
  
    
      
    
  
  Harry Negron


Harry Negron is the CEO of Jivaro, a writer, and an entrepreneur with a background in science, technology, and digital publishing. He holds a B.S. in Microbiology and Mathematics and a Ph.D. in Genetics, with a specialization in biomedical sciences. His work spans finance, science, health, gaming, and technology, and his projects include free apps, automation tools, and large-scale search utilities. Originally from Puerto Rico and based in Japan since 2018, he brings an international perspective to Jivaro’s content, research, and tools.



            

          
        


        

          

            

              
            

          

        

      
    

  





    

  
  

  



  



          

          

          
            
              
                

  
    
      

        
          
        
      

      
        
        
        
Previous

        
        
ImagePress

      
    
  
  
    
      

        
        
        
Next

        
        
BudgetBee