I read a lot on https://www.regular-expressions.info and experimented on https://rubular.com since I was also learning Ruby at the time. https://regexr.com is another good tool that breaks down your regex and matches. One of the things I remember being difficult at the beginning was the subtle differences between implementations, like `^` meaning "beginning of line" in Ruby (and others) but meaning "beginning of... - Source: Hacker News / 9 months ago

As a ruby developer, I was happy to find that VS Code / TextMate grammar files use the same regular expression engine called Oniguruma as ruby itself. Thus, I could be sure that when trying my regular expressions in my favorite online regex tool, rubular.com, there would be no inconsistencies due to the engine inner workings. - Source: dev.to / over 1 year ago

In my testing on a couple of regex testers (https://rubular.com/ & https://regex101.com/) this seems to select the postcode correctly each time. Source: almost 2 years ago

Copied from Rubular ( a nice tool to test regexes ):. Source: over 2 years ago

To add on to this from a regex perspective - I find regex to be invaluable in my workflows. Once you learn the basics I always test and debug my strings using https://rubular.com because it has string hints at the bottom that are readily available. Source: over 2 years ago

It wouldn't take you much time to be frank. Specially if you learn from totaltypescript.com. Source: almost 2 years ago

I learned Javascript first. I remember that Typescript looked so daunting to me at first. It also depends on how you approach it. My first incursion in Typescript was with an online course very poorly given, and I'm sure that's what left the "daunting" mark on me. I wish totaltypescript.com existed back then. Source: almost 2 years ago