Use Online Tools: There are many online regex testers and visualizers that can help you see how your patterns match against sample text. These tools often provide explanations for each part of the regex. I personally use https://regexr.com/. - Source: dev.to / about 1 year ago

However - here it becomes weird - when testing the original regex rule (the first one, without the \u00A0 part) on the same string in an interactive visualiser (https://regexr.com/ for instance), there is a match:. - Source: dev.to / almost 2 years ago

Learned regex in the 90's from the Perl documentation, or possibly one of the oreilly perl references. That was a time where printed language references were more convenient than searching the internet. Perl still includes a shell component for accessing it's documentation, that was invaluable in those ancient times. Perl's regex documentation is rather fantastic. `perldoc perlre` from your terminal. Or... - Source: Hacker News / almost 2 years ago

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 / almost 2 years ago

Mostly building things that needed complex RegEx, and debugging my regular expressions with https://regexr.com/. - Source: Hacker News / almost 2 years ago

I continue working on SecurityBot.dev, having lately made significant improvements to the broken link monitor. https://securitybot.dev. - Source: Hacker News / 12 days ago

Another M&A tool. Useful for software company sellers who are required to disclose details related to software IP ownership such as what third-party dependencies are used in their software. https://securitybot.dev. - Source: Hacker News / about 1 month ago

This week I launched IterOps https://iterops.com, a heat mapping, rage click, dead click, scroll mapping, and simple A/B testing tool. I originally built it to have a better idea of what people are doing on my other micro-saas projects like https://securitybot.dev and https://contributoriq.com. Already finding it so useful that I figured I'd just turn it into a product too. - Source: Hacker News / 5 months ago

I’ve built and launched numerous SaaS products (which have paying customers) which were almost entirely built usibg AI agents including https://securitybot.dev and https://dependencydesk.com. My experience so far has been if you possess both deep domain-specific experience and significant coding experience then these coding LLMs, and most notably Opus 4.5, are the greatest productivity booster in the world. - Source: Hacker News / 7 months ago

Https://securitybot.dev/ SecurityBot.dev is an all-in-one uptime, performance, security, and SEO monitoring tool. I launched it a few months ago and have been iterating on it ever since. Later this week SecurityBot.dev will log its 1 millionth uptime check which is pretty cool to see. It includes the usual uptime monitoring service that you see everywhere else, but also features such as a PageSpeed Insights... - Source: Hacker News / 7 months ago