Software Alternatives, Accelerators & Startups

RegExr VS Zustand

Compare RegExr VS Zustand and see what are their differences

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RegExr logo RegExr

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

Zustand logo Zustand

Bear necessities for state management in React
  • RegExr Landing page
    Landing page //
    2023-07-28
  • Zustand Landing page
    Landing page //
    2023-12-19

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.

Zustand features and specs

  • Simplicity
    Zustand offers a minimalistic and simple API, making it easy to integrate and use for state management in React applications without an extensive learning curve.
  • Performance
    Zustand is optimized for performance, ensuring that components only re-render when necessary, which can lead to more efficient applications compared to some other state management libraries.
  • No Boilerplate
    Unlike some other state management solutions, Zustand requires very little boilerplate code, allowing developers to focus more on building features rather than writing repetitive setup code.
  • React Concurrent Mode Support
    Zustand is designed to work well with React's Concurrent Mode, enhancing performance and usability in complex applications.
  • Ease of Integration
    Integration with existing projects is straightforward due to its small API surface and minimalistic approach, making it suitable for both small and large applications.

Possible disadvantages of Zustand

  • Limited Ecosystem
    Compared to more established state management libraries like Redux, Zustand's ecosystem is relatively small, which might limit available third-party tools and extensions.
  • Community Support
    Zustand has a smaller community compared to larger state management solutions, which could mean less community support and fewer resources such as tutorials and community-driven libraries.
  • Feature Set
    While Zustand is efficient for many use cases, it may lack some advanced features that other state management libraries provide, which could be necessary for specific applications.
  • Dependency on Modern React Features
    Zustand relies on modern React features such as hooks, which means it might not be suitable for projects that need to support older React versions.

Analysis of RegExr

Overall verdict

  • RegExr is widely regarded as an excellent tool for working with regular expressions due to its comprehensive feature set and ease of use.

Why this product is good

  • RegExr is considered a good tool for learning, creating, testing, and sharing regular expressions (regex). It offers a user-friendly interface, extensive documentation, real-time regex parsing, highlighting, and explanations, making it accessible for both beginners and experienced users. The platform provides a library of community-contributed patterns and a robust set of tools that helps users understand and construct regex patterns effectively.

Recommended for

  • Beginners learning regular expressions.
  • Developers needing to test and refine regex patterns.
  • Educators teaching regex concepts.
  • Anyone requiring an intuitive interface to work with regular expressions.

RegExr videos

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Zustand videos

Why I Moved from React Redux to Zustand and Why You Should Too!

More videos:

  • Review - Code Review: Zustand (small & fast state-management for React)
  • Review - Mastering Typescript State using Zustand

Category Popularity

0-100% (relative to RegExr and Zustand)
Programming Tools
100 100%
0% 0
Javascript UI Libraries
0 0%
100% 100
Regular Expressions
100 100%
0% 0
Front-End Frameworks
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 Zustand. While we know about 368 links to RegExr, we've tracked only 7 mentions of Zustand. 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 (368)

  • Learning Perl - Regular Expressions
    Use Online Tools: There are many online regex testers and visualizers that can help you see how your patterns match against sample text. These tools often provide explanations for each part of the regex. I personally use https://regexr.com/. - Source: dev.to / 6 days ago
  • 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 / 8 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 / 10 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 / 10 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 / 10 months ago
View more

Zustand mentions (7)

  • React + AI Stack for 2025
    For client-side state, Zustand is the way to go. It's got zero boilerplate, a tiny bundle size, and a simple but powerful API that's easy to learn. You can create a store with just a few lines of code, which is pretty neat. - Source: dev.to / 5 months ago
  • Lessons Learned: Overusing useMemo in React
    State Management with Zustand: Zustand offers a lightweight and intuitive approach to managing shared state, reducing the need for derived state or excessive memoization. It simplifies managing and updating global state without extra boilerplate. - Source: dev.to / 7 months ago
  • Top 10 NPM Packages to Try for React (and Beyond) in 2024
    📦 Package: zustand Https://zustand-demo.pmnd.rs/ ⭐ Why You Should Try It: A small, fast, and flexible state management library that’s simpler than Redux. It works great with React. - Source: dev.to / 7 months ago
  • Key Takeaways from My Recent Review of the React Docs
    Consider using the useReducer hook or a state management library like Redux or Zustand for complex state logic. - Source: dev.to / 8 months ago
  • Revisiting Zustand and React with TS
    This is a simple example which I created to revise the working of Zustand with React and TypeScript with the help of the official Documentation of Zustand Zustand Official Docs. - Source: dev.to / 10 months ago
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What are some alternatives?

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

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

RxJS - Reactive Extensions for Javascript

rubular - A ruby based regular expression editor

MobX - Simple, scalable state management

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.

Redux.js - Predictable state container for JavaScript apps