RegexOne - Learn Regular Expressions -- will get you thru the basics (i.e., more than most people know) with interactive practice which is probably the best way. HTB probably does the hands on approach, too. Anyhow, RegexOne makes it about as clear as it gets, and keep practicing until is sinks in is my advice. Source: 7 months ago

I spent 30 minutes learning regex from https://regexone.com/ years ago. The attitude of "I don't need to learn is baffling. Source: about 1 year ago

Https://regexone.com/ is a fantastic resource for learning the foundations of Regex. Source: about 1 year ago

Hi guys, can anyone recommend some online resources where I can find regex tasks (and hopefully guidelines how to solve them/solutions)? What I did so far: - went through all of the problems on regexone https://regexone.com/ - covered Ryan's tutorial on regex (will probably go through it again) - currently covering regexlearn.com/learn/regex10 Everyone seems to reccomend https://regexr.com/ but I don't think I... Source: about 1 year ago

Just do https://regexone.com/ once and you will become much better at it. It takes less than an hour! Source: about 1 year ago

If you liked legacy zgen, zgenom picks up where it left off and is simple but featureful. Source: about 1 year ago

For those that aren't aware, ZGEN (https://github.com/tarjoilija/zgen) is the best of both worlds. Pick and choose from every plugin system out there. - Source: Hacker News / about 2 years ago