Merge pull request #1 from cyr1l0u/main

Add regex resources to python.md

content/docs/programming/python/python.md

@@ -33,4 +33,9 @@ os.path.join("uploads/", "flag.txt")  # uploads/../flag.txt
 >>> re.match("\.", "../")
 <re.Match object; span=(0, 1), match='.'>
 >>> re.match("\.", "/../") # no match!
-```
+```
+
+#### Testing
+
+- [Regex Tester Online](https://pythex.org/)
+- [Visual Regex Tester Online](https://pythonium.net/regex)