Regexper takes your regular expressions to the next level. It generates interactive, visually appealing diagrams that help you understand your regex patterns. With Regexper, you can see your regex patterns come to life, making complex expressions easier to grasp. - Source: dev.to / 8 months ago

If it's a one-off regex to scrape some data and you verify the output, great. If it's to be used in an application and you don't understand it, that could be an issue. There's some great online tools to convert regex to railroad diagrams like https://regexper.com/ which I recommend if you don't understand some regex AI produced. Source: about 1 year ago

Not in plain English, but I find this tool useful if I have to read someone else's regex: https://regexper.com/. Source: about 1 year ago

There are some neat tools for visualizing a regex like https://regexper.com/. - Source: Hacker News / about 1 year ago

Https://regexper.com/ :) The lines usually just represent the allowance of repeated patterns, either a specific number of them or infinite if it's not specified. Source: over 1 year ago

BUT - As far as resources for building out the regex patterns, I use regexpal.com and a copy of this https://cheatography.com/davechild/cheat-sheets/regular-expressions/pdf/ printed out beside me. Once you get into it, the power of subgroups, and lookahead/behind processing beats some of the mental gymnastics you would need to go to code it out in your language of choice. Source: almost 2 years ago

Spend an afternoon really diving into it, bookmark regexpal.com, and call it a day IMO. Source: about 2 years ago

i’m a professional developer and I just relearn it every time I need it, which is about once or twice a year, but depending on someone’s specialty they may swim around in it all day. It can get really complicated. https://regexpal.com is where I kick it around testing until it works. Source: about 2 years ago