From 417109057d0253fd2134b22f12ad827782f87d99 Mon Sep 17 00:00:00 2001
From: cyril <38669260+cyrilbois@users.noreply.github.com>
Date: Sat, 22 Jun 2019 21:05:50 +0200
Subject: Add ExtendsClass

Online Regex tester for JavaScript.
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 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index d294379..fb63cc9 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ Sharing, suggestions and contributions are always welcome! Please take a look at
 ## Prototyping and Testing
 
 - [Debuggex](https://www.debuggex.com/) - Online visual Regex tester.
+- [ExtendsClass](https://extendsclass.com/regex-tester.html) - Online visual Regex tester.
 - [Regexr](http://regexr.com/) - Website for interactive Regex prototyping with syntax highlighting (by @gskinner).
 - [Regex101](https://regex101.com/) - Online Regex tester, debugger with highlighting.
 - [Rubular](http://rubular.com/) - Ruby-based regular expression editor and tester.
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