RegExr
regular expressions 101
rubular
Expresso
Regex Crossword
i Hate Regex
RegEx Generator
RegexPlanet Ruby
Hoverify
CSS Scan
CSS Scan Pro
DivMagic
EazyCSS
Shuffle for Tailwind CSS
CSS Peeper
CSS Grab n' Go Editor
Tools to make your web dev life a bit easy.
⭐ Inspector
1) Inspect CSS and HTML just by hovering over the element.
2) Live edit CSS and HTML.
3) Export code to Codepen.
4) Inspect media queries and animations.
5) Edit the content of any HTML element.
6) Traverse DOM elements with arrow keys.
7) Know fonts per tag.
8) Finds font on Google Fonts.
9) Extract all the colors used on the page.
10) Toggle visibility of any element or remove an element from the page and persist changes.
11) Easily search elements by tag, class, or id.
⭐ Color Eyedropper 1) Pick colors from anywhere on the page, even images and IFrames. 2) Get hex and RGB values. 3) Save colors.
⭐ Assets 1) Extract images, SVGs, and videos from the page. 2) Download all the assets at once in ZIP.
⭐ Responsive 1) Any click, scroll, or navigation you perform in one device will be replicated to all devices in real-time. 2) Add new custom device profiles as you like and arrange devices to fit your style. 3) Hot-Reloading Support.
⭐ Debug 1) Clear cache, cookies, and local storage of specific origin or whole browser. 2) Get meta tags from the page and copy them with one click. 3) Check the whole page for spelling mistakes (Only supports English).
⭐ Screenshots 1) Take a screenshot of the whole page or just a visible area. 2) Screenshot the visible area of every tab with just one click. 3) Save the screenshot in PDF, JPG, or PNG.
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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 / 7 months 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 / 9 months 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 / 9 months ago
Mostly building things that needed complex RegEx, and debugging my regular expressions with https://regexr.com/. - Source: Hacker News / 9 months ago
For username: You are using the min() function to make sure the characters are not below three and, then the max() function checks that the characters are not beyond twenty-five. You also make use of Regex to make sure the username must contain only letters, numbers, and underscore. - Source: dev.to / 10 months ago
regular expressions 101 - Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
CSS Scan - Instantly check or copy computed CSS from any element for only ~95$
rubular - A ruby based regular expression editor
CSS Scan Pro - The easiest way to get and edit the CSS of any website, live
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.
DivMagic - Copy design from any website Copy any element from any site and paste them directly into your codebase With one click, users can get compact and re-usable code in CSS or Tailwind CSS in HTML or JSX. Clone or copy a website easily with one click.