Regex Tester

Test and debug JavaScript regular expressions in real-time.

Regex Pattern

Regular Expression *

Modifiers (Flags)

g (Global)Find all matches

i (Case insensitive)Ignore case differences

m (Multiline)Treat start/end characters (^/$) as multiline

Test Text & Matches

Visual Match Highlights

React app version 4.0.0 built in 2026.

Matches (0)

No matches found currently.

Capturing Groups

No capturing groups matched.