CodeSandbox
CodePen
replit
JSFiddle
StackBlitz
GitHub
Visual Studio Code
JS Bin
RegExr
regular expressions 101
rubular
Expresso
i Hate Regex
RegEx Generator
Regex Crossword
RegexPlanet Ruby
CodeSandbox RegExrNo RegExr videos yet. You could help us improve this page by suggesting one.
RegExr might be a bit more popular than CodeSandbox. We know about 360 links to it since March 2021 and only 300 links to CodeSandbox. 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.
Ok last but not least, Codesandbox. This is a newcomer to online collaborative workspaces which seems much more advanced. Codesandbox.io allows you to create node/npm projects, install packages, setup webpack or bundlers, include frameworks like React or Vue, and code in Typescript or JavaScript. It looks and acts like an IDE (VSCode) in the cloud, allowing shareable projects, not just code snippets. - Source: dev.to / about 2 months ago
Codesandbox.io — Online Playground for React, Vue, Angular, Preact, and more. - Source: dev.to / 3 months ago
Sync your projects effortlessly with GitHub. Codesandbox. - Source: dev.to / 3 months ago
Use online code editors such as Codesandbox or Stackblitz. They let you focus on writing code rather than dealing with local environment complexities. - Source: dev.to / 3 months ago
For this article, I will be using an online code editor called Codesandbox. You can go ahead and use it as well, you can also create normal React js application on your computer. - Source: dev.to / 4 months ago
When thinking about how I might compare an arrangement to the contiguous group of damaged springs, I used regexr.com to experiment with very specific regexs that used the numbers. - Source: dev.to / 4 months ago
There are plenty of online regex tools to test and experiment with regex patterns. Some popular ones include RegExr, RegEx101, and RegexPlanet. - Source: dev.to / 4 months ago
Using regexr.com it at least appears to work as expected. - Source: dev.to / 5 months ago
If you are going to use RE's, use something like https://regexr.com/ to double check that they're doing what you want. I was suspicious of your 'cols = re.findall(r'\d+ .....', i)' line, and indeed it does miss some columns. You should rethink your column detection, and either not use REs or learn how to use capture groups and \w. There would then be no reason to use yet another RE in your column iterator to... Source: 5 months ago
First time posting here, let me know if I need to edit post to conform to any rules. My issue is that I'm trying to match regex pattern to separate out the number of cubes drawn and its color but my Matcher object seems to not be returning any matches so it's throwing a no match found exception when I try to call digitMatcher.group(). I have tested my regex pattern on sites like regexr and it seems to pass there... Source: 5 months ago
CodePen - A front end web development playground.
regular expressions 101 - Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
rubular - A ruby based regular expression editor
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
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.
