Developer Utility

Regex Match Sandbox

Build and test regular expressions with real-time match highlighting and group capture tracking.

Privacy Guaranteed: Our application runs directly on your system. Your test expressions are processed locally with absolute privacy.

RegEx Configuration

Regular Expression Pattern

/ / gmi

Evaluation Flags

Global Match (g) Case Insensitive (i) Multiline (m) DotAll (s)

Quick Reference

                . Any character except newline
              
                \d, \w, \s Digit, Word, Whitespace
              
                \D, \W, \S Not Digit, Word, Whitespace
              
                [a-z] Characters range a to z
              
                +, *, ? One or more, Zero/more, Optional
              
                {n}, {n,} Exactly n, At least n repetitions
              
                ^, $ Start, End of string
              
                (...) Capture grouping

Test String

Match Visualizer

Matches will be highlighted here in real-time...

Capture Groups & Matches 0 matches

No match data available. Modify your pattern or test string to compile metrics.