RegExr
regular expressions 101
rubular
Expresso
i Hate Regex
RegEx Generator
Regex Crossword
RegexPlanet Ruby
CodePen
JSFiddle
CodeSandbox
GitHub
replit
Pastebin.com
Visual Studio Code
JS Bin
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CodePen might be a bit more popular than RegExr. We know about 484 links to it since March 2021 and only 361 links to RegExr. 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.
Use online regex testers: Tools like Regex101 or RegExr can help visualize how your regex matches against test strings, providing explanations and highlighting potential issues. - Source: dev.to / 3 days 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 / 5 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
Build Projects: Websites like GitHub and GitLab host countless open-source projects where you can contribute and collaborate with other developers. Moreover, platforms like CodePen and Glitch provide environments for building and sharing web projects. - Source: dev.to / about 1 month ago
(https://codepen.io/) This online code editor and community is a playground for developers. Experiment with HTML, CSS, and JavaScript code snippets, create visual demos, and share your creations with the world. CodePen is a great way to showcase your coding skills and learn from others. - Source: dev.to / about 2 months ago
See the Pen Styling text with a CSS glitch animation - Version 2 by Oscar Jite-Orimiono (@oscar-jite) on CodePen. - Source: dev.to / 2 months ago
Today we've just published a quick minor update, v3.0.284. One of the things that's the most interesting is we've added Codepen, JSFiddle and Codesandbox support to SciChart.js. - Source: dev.to / 2 months ago
CodePen (Visit Site) - A social development environment for front-end designers and developers, CodePen allows users to share and collaborate on code snippets. It's a great platform for inspiration and experimentation. - Source: dev.to / 3 months ago
regular expressions 101 - Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
rubular - A ruby based regular expression editor
CodeSandbox - Online playground for React
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.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.