rubular
RegExr
Expresso
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regular expressions 101
RegexPlanet Ruby
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The Regex Coach
Playcode.io
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rubular Playcode.ioBased on our record, rubular should be more popular than Playcode.io. It has been mentiond 36 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
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 / 10 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: about 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
URL: https://playcode.io What it does: An online playground for rapid testing of HTML, CSS, and JavaScript. Why it's great: Prototype ideas in seconds with live previews — no local setup needed! - Source: dev.to / 5 months ago
I've been working on such browser JavaScript Playground: (https://playcode.io) for 7 years. - Source: Hacker News / over 1 year ago
The screenshot is from https://playcode.io which is the leading platform for JS playground. Source: over 1 year ago
If instead you run the original code in your console, it should produce undefined as expected as it isn't transpiled to es5 as in playcode.io. Source: about 2 years ago
The best way to learn is to do it hands on. Only difference between doing it at school VS by yourself is that the school will do the leg work of gathering the learning materials for you. I would suggest taking a look at https://playcode.io/ an starting with Javascript. I know it can be a very frustrating process as a whole, but if you want to succeed you need to struggle at first. Javascript is not as easy to... Source: over 2 years ago
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
CodePen - A front end web development playground.
Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.
CodeSandbox - Online playground for React
RegEx Generator - RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
