And a couple of alternatives: https://www.debuggex.com/ https://www.debuggex.com/ (for Python flavor: https://www.debuggex.com/?flavor=python https://www.deb

And a couple of alternatives: https://www.debuggex.com/ https://www.debuggex.com/ (for Python flavor: https://www.debuggex.com/?flavor=python https://www.debuggex.com/?flavor=python ) and one more Python + regex: http://www.pyregex.com/ http://www.pyregex.com/