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RegExr VS CSS Scan

Compare RegExr VS CSS Scan and see what are their differences

RegExr logo RegExr

RegExr.com is an online tool to learn, build, and test Regular Expressions.

CSS Scan logo CSS Scan

Instantly check or copy computed CSS from any element for only ~95$
  • RegExr Landing page
    Landing page //
    2023-07-28
  • CSS Scan Landing page
    Landing page //
    2023-07-14

RegExr features and specs

  • User-Friendly Interface
    RegExr offers an intuitive and visually appealing interface that makes it easy for users to write, test, and understand regular expressions.
  • Real-time Feedback
    Changes to the regular expression and input text are reflected immediately, allowing users to see the effects of their adjustments in real-time.
  • Built-in Cheatsheet
    RegExr includes a handy cheatsheet that provides quick access to common regex patterns and syntax, making it easier for users to learn and reference rules.
  • Community Examples
    Users can explore and share community-generated regex patterns, which can serve as valuable examples or starting points for creating their own regex.
  • Detailed Explanation
    Each part of the regex pattern can be hovered over to display detailed tooltips explaining its function, aiding in the understanding of complex expressions.
  • Cross-Platform Accessibility
    As a web-based tool, RegExr can be accessed from any modern browser without the need for installation, making it convenient to use on multiple devices.

Possible disadvantages of RegExr

  • Limited Offline Use
    Since RegExr is a web-based application, it requires an internet connection, limiting its utility for users who need to work offline.
  • Learning Curve
    While the tool is user-friendly, users still need to have a foundational understanding of regular expressions to use RegExr effectively.
  • Performance Issues
    For extremely large inputs or very complex regular expressions, the tool may experience performance lags or slowdowns.
  • Limited Advanced Features
    RegExr may lack some advanced features found in more specialized or professional regex tools, such as integration with development environments or extensive scripting capabilities.
  • Privacy Concerns
    Users inputting sensitive data need to be cautious, as the web-based nature of the tool could raise privacy or data security concerns.

CSS Scan features and specs

  • Ease of Use
    CSS Scan offers an intuitive and user-friendly interface, making it easy for developers of all skill levels to inspect and copy CSS styles directly from the browser.
  • Time-Saving
    It significantly reduces the time needed to debug and replicate styles by allowing quick copying of well-structured CSS rules from any element on the page.
  • Accuracy
    The tool ensures that the copied CSS maintains the exact styling, including computed styles and vendor prefixes, providing high accuracy in replication.
  • Live Edits
    CSS Scan enables live editing of styles, allowing developers to make real-time changes and see the results instantly, which is beneficial for testing and adjustments.
  • Visual Representation
    The extension visually displays how CSS rules are applied, making it easier to understand complex styling hierarchies and cascades.

Possible disadvantages of CSS Scan

  • Cost
    CSS Scan is a paid tool, so there is a financial investment required, which might not be feasible for all developers, especially those working on personal or non-commercial projects.
  • Browser Compatibility
    As a browser extension, its functionality may be limited to supported browsers, potentially excluding users of less common or unsupported browsers.
  • Limited Scope
    While CSS Scan is powerful for copying and analyzing CSS, it does not offer features for editing or managing CSS files directly, requiring another tool or manual intervention for those tasks.
  • Dependency
    Relying on a third-party tool can be a downside if the tool experiences downtime, changes its pricing, or ceases development, leaving users in a difficult position.
  • Privacy Concerns
    Using browser extensions can raise privacy concerns, as they typically have access to the pages you visit; ensuring the trustworthiness of the extension is crucial.

RegExr videos

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CSS Scan videos

Chrome CSS Viewer CSS Scan 2.0 - All Your CSS Secrets Revealed

More videos:

  • Review - CSS Scan and Microthemer are buddies

Category Popularity

0-100% (relative to RegExr and CSS Scan)
Programming Tools
100 100%
0% 0
Developer Tools
0 0%
100% 100
Regular Expressions
100 100%
0% 0
Design Tools
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, RegExr seems to be a lot more popular than CSS Scan. While we know about 367 links to RegExr, we've tracked only 13 mentions of CSS Scan. 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.

RegExr mentions (367)

  • The importance of the environment in Regex pattern matching
    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
  • Ask HN: How did you learn Regex?
    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
  • Ask HN: How did you learn Regex?
    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
  • Ask HN: How did you learn Regex?
    Mostly building things that needed complex RegEx, and debugging my regular expressions with https://regexr.com/. - Source: Hacker News / 9 months ago
  • Form Validation In TypeScipt Projects Using Zod and React Hook Form
    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
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CSS Scan mentions (13)

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What are some alternatives?

When comparing RegExr and CSS Scan, you can also consider the following products

regular expressions 101 - Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.

CSS Scan Pro - The easiest way to get and edit the CSS of any website, live

rubular - A ruby based regular expression editor

Hoverify - All-in-one browser extension to improve your web dev experience.

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.

CSS Peeper - Smart CSS viewer tailored for Designers.