Lexicon

Regex Lab

Live highlighting, group indices, a plain-language breakdown and a replace preview — all client-side.

Awaiting pattern
Common patterns

Test string

type below — matches highlight live

Replace preview

use $1, $&, $<name> 
 
 
 
 
 
 
Pattern breakdown
 
 
     
     
     
     
    Matches
     
     
     
      
     # Match Range Groups 
           
      
     
     
     
     
       
     
    wiring the lab…