diff --git a/applied-nlp/regex.md b/applied-nlp/regex.md
index 45c2c20..7ba8b00 100644
--- a/applied-nlp/regex.md
+++ b/applied-nlp/regex.md
@@ -60,4 +60,5 @@
 * [🏃‍♀️ Regex quick start](https://www.rexegg.com/regex-quickstart.html)
 * 🐛 [Regex debugger](https://regex101.com/)
 * [👀 Regex debugger and visualizer](https://www.debuggex.com/)
+* [🔍 Regex debugger and visualizer](https://pythonium.net/regex)