Software Alternatives, Accelerators & Startups

30 seconds of code VS RegExr

Compare 30 seconds of code VS RegExr and see what are their differences

30 seconds of code logo 30 seconds of code

JS snippets that you can understand in 30 seconds or less.

RegExr logo RegExr

RegExr.com is an online tool to learn, build, and test Regular Expressions.
  • 30 seconds of code Landing page
    Landing page //
    2023-09-23
  • RegExr Landing page
    Landing page //
    2023-07-28

30 seconds of code features and specs

  • Concise Snippets
    30 seconds of code offers short, well-commented snippets that provide quick solutions to common programming challenges, making it easy for developers to implement without extensive modification.
  • Educational Resource
    The snippets serve as a great educational tool for learning new coding techniques and JavaScript features, helping developers enhance their skills incrementally.
  • Community-Driven
    The repository is maintained by a community of developers, ensuring that the code is peer-reviewed and can be continuously improved through collective contributions.
  • Broad Coverage
    The repository covers a wide range of categories including arrays, objects, functions, and more, providing snippets for various common use cases in JavaScript development.
  • Readily Accessible
    Because the code is available on GitHub, it is easily accessible to anyone with an internet connection, promoting widespread usage and collaboration.

Possible disadvantages of 30 seconds of code

  • Not Always Best Practice
    Some snippets prioritize brevity over best practice, which may lead to less efficient or less readable code in real-world applications.
  • Lack of Context
    The snippets are often given without extensive context or surrounding code, which can make it challenging for beginners to understand how to integrate them into larger projects.
  • Limited Explanation
    Brief descriptions and comments may not suffice for someone who needs a deeper understanding of why the code works the way it does.
  • Outdated Code
    As JavaScript continues to evolve, some snippets might become outdated or less optimal compared to modern alternatives.
  • Over-Simplification
    While aimed at being quick solutions, some snippets might oversimplify complex problems, potentially leading developers to underestimate the underlying complexity.

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.

30 seconds of code videos

30 Seconds Of Code - Check This Curated Collection Of Useful JavaScript Snippets

RegExr videos

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Category Popularity

0-100% (relative to 30 seconds of code and RegExr)
Developer Tools
100 100%
0% 0
Programming Tools
0 0%
100% 100
Productivity
20 20%
80% 80
Regular Expressions
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 30 seconds of code. While we know about 367 links to RegExr, we've tracked only 6 mentions of 30 seconds of code. 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.

30 seconds of code mentions (6)

  • What are the best open source repos in github that a beginner should READ?
    You could also check out: 1. 30 seconds of code 2. JavaScript30 3. JavaScript Algorithms. Source: about 2 years ago
  • Awesome Github Repos to Master JAVASCRIPT
    😎 a quick reference with short solutions for your development needs in javascript -> 30-seconds-of-code. - Source: dev.to / over 2 years ago
  • This is my first blog!
    Hello everyone, my name is Thanh Cong Van, my friends usually call me Steven as my Vietnamese name is hard to pronounce. I am living in Toronto, due to the pandemic, I believe that some of my peers are living in different place right now. I am currently taking Computer Programming and Analysis at Seneca, all I want from my program is to have good skills on front-end development. People tend to love full stack... - Source: dev.to / over 3 years ago
  • Open Source Development -W1
    The GitHub repo, I have interest in is "30 seconds of code" [https://github.com/30-seconds/30-seconds-of-code]. It is a website which provides short JavaScript code snippets for users. I find it very helpful for me when I work on my project later on. - Source: dev.to / over 3 years ago
  • Hello Word!
    For my forked repo, I picked the 30-seconds-of-code (https://github.com/30-seconds/30-seconds-of-code). It’s a repo with short snippets of JavaScript code to help people coding in JavaScript. Very useful for people like me that are always learning something and trying different things. - Source: dev.to / over 3 years ago
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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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What are some alternatives?

When comparing 30 seconds of code and RegExr, you can also consider the following products

CodeMyUI - Handpicked code snippets you can use in your web projects

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

Codespace - A beautiful cross-platform code snippet manager

rubular - A ruby based regular expression editor

DhiWise - DhiWise is a ProCode platform that helps you build clean, scalable, and customizable native and cross-platform apps. Focus on what matters as a programmer and let DhiWise do the rest.

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.