Popular saying: if you need a regex to to solve a problem, you now have two problems
If you a programmer of any sort (JS, PHP, Java), sooner or later you are going to need them. As a 10 year Perl programmer, I'll walk you through beginner, intermediate and advanced regular Expressions.
Believe it or not, they are fun. And useful. I love them!
I've spent the last 9 years building, supporting and improving high traffic websites. Some of the biggest in the world. I've worked as a developer, lead and manager and throughout it is all I've have learned a lot and had a good time.