WorkspaceDeveloper UtilitiesClient-Side Sandbox

Regex Tester

Test Regular Expressions in real time with match highlighting, capture group extraction, and flag controls.

Input Buffer
1 ln · 103 ch · 103 B
Regular Expression (/pattern/flags)
ENCODING: UTF-8AUTO-RUN: ENABLED
Output Buffer
OUT: 1 LN · 0 B⌘↵ RUN · ⌘⇧C COPY

How to Use Regex Tester

  1. Enter your test corpus in the primary editor and your `/pattern/flags` expression in the secondary input.
  2. Inspect every match index, full match string, and numbered/named capture groups.

Keyboard Shortcuts & Sandbox Guarantee

Run / Process tool outputCtrl + Enter
Copy primary output to clipboardCtrl + Shift + C
Open global command paletteCtrl + K