Free
Free
Regex visualizer · Regex debugger · JavaScript engine · Python engine (beta) · PCRE engine (beta) · code snippets · 2 unit tests per regex · 10 public expressions
Checked 15 Oct 2026
Plans and prices
Debuggex pricing
Basic
$5 a month
5 unit tests per regex · unlimited public expressions · 20 private expressions · plain-English explanation · regex replace · unit-tested repository · repository composability
Checked 15 Oct 2026
Pro
$15 a month
Unlimited unit tests · unlimited private expressions · composability using any expressions · performance debugging · unit-test coverage
Checked 15 Oct 2026
Enterprise
Priced on request
Denial-of-service prevention · flexible user counts · optional private-server deployment · optional OEM licence · optional on-site training
Checked 15 Oct 2026