For those who work with regex often, what are some of the approaches you found to learn regex effectively?

I have been working in the data analytics field for about 10 years now (I am not a data scientist just an FYI), one thing I would like to really diving into to get really good at is regex. Although pattern matching is not my favorite thing, but I see the increasing usefulness in become sufficient in using the tool.

So for those who work with regex often, what are some of the approaches you found to learn regex effectively?

datascience regex work