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ExtendsClass CyrilEx Regex Tester VS Promptaa

Compare ExtendsClass CyrilEx Regex Tester VS Promptaa and see what are their differences

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ExtendsClass CyrilEx Regex Tester logo ExtendsClass CyrilEx Regex Tester

ExtendsClass CyrilEx Regex Tester is an Online Toolbox that allows you to test regular expressions in MySQL, PHP, Java, Javascript, Python, and Ruby.

Promptaa logo Promptaa

Prompt organization and AI enhancement. Engineer prompts with 1 click.
Visit Website
  • ExtendsClass CyrilEx Regex Tester Landing page
    Landing page //
    2023-05-01
  • Promptaa Create Prompt
    Create Prompt //
    2025-06-10
  • Promptaa Prompt Library
    Prompt Library //
    2025-06-10
  • Promptaa Pricing
    Pricing //
    2025-06-10
  • Promptaa Guides
    Guides //
    2025-06-10

Promptaa will organize your prompts, and provides 1 click prompt engineering. Engineer your prompts into enhanced plain text or XML prompts, increasing AI response accuracy, saving you time while making you more productive. Share and re-use saved prompts, organize everything into a library with categories, and discover public prompts posted by other users.

ExtendsClass CyrilEx Regex Tester

Website
extendsclass.com
Pricing URL
-
$ Details
-
Release Date
-
Edit details

Promptaa

Website
promptaa.com
Pricing URL
Official Promptaa Pricing
$ Details
freemium $5.0 / Monthly (Pro)
Release Date
2025 May
Startup details
Country
United States
State
Georgia
City
Atlanta
Founder(s)
Rafay Choudhury
Employees
1 - 9
Edit details

ExtendsClass CyrilEx Regex Tester features and specs

  • User-Friendly Interface
    ExtendsClass CyrilEx Regex Tester has a simple and intuitive interface that makes it easy for users to test and develop regular expressions without any steep learning curve.
  • Real-Time Results
    The tool provides real-time feedback, showing match results as the user types the regex, which helps in quickly understanding how changes affect the output.
  • Cross-Platform Compatibility
    The regex tester is web-based, allowing users to access it from any device with an internet connection and a web browser, providing great flexibility.
  • Support for Multiple Syntaxes
    It supports different regex syntaxes like JavaScript, Python, and more, making it versatile for developers working in various programming environments.
  • Additional Utilities
    ExtendsClass offers additional utilities such as diff checkers and online compilers, which can be beneficial for users working on complex projects.

Possible disadvantages of ExtendsClass CyrilEx Regex Tester

  • Limited Offline Access
    Being a web-based tool, it requires an internet connection to be used, which may not be convenient for all users, especially those who need to work offline.
  • Potential Performance Issues
    Performance may depend on the user's internet connection and the load on the server, possibly leading to slower response times during peak usage.
  • Privacy Concerns
    As a web-based tool, users might have concerns about the privacy and security of the data they input for testing purposes.
  • Limited Advanced Features
    While suitable for basic regex testing, it might not have all the advanced features needed by expert users who require more sophisticated testing capabilities.
  • Advertisements
    The presence of advertisements on the site may be disruptive or distracting to users during their workflow.

Promptaa features and specs

  • AI Enhance
    enhance your prompts with 1 click
  • AI XML Enhance
    enhance your prompts with XML structure with 1 click
  • Version History
    version your prompts so you can try our which ones work the best
  • Categories
    organize your prompts by category so you can easily find them
  • Discover
    discover public prompts posted by other users

ExtendsClass CyrilEx Regex Tester videos

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Promptaa videos

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Demo Video

Category Popularity

0-100% (relative to ExtendsClass CyrilEx Regex Tester and Promptaa)

ExtendsClass CyrilEx Regex Tester

Promptaa

Regular Expressions
100 100%
Regular Expressions
0% 0
AI
0 0%
AI
100% 100
Development
100 100%
Development
0% 0
AI Tools
0 0%
AI Tools
100% 100

Questions and Answers

As answered by people managing ExtendsClass CyrilEx Regex Tester and Promptaa.

Which are the primary technologies used for building your product?

Promptaa's answer:

We use serverless next.js

What makes your product unique?

Promptaa's answer:

We provide a user friendly interface that allows for quick prompt creation, enhancement, and organization. We also provide XML prompt engineering, which is the next frontier for accurate AI responses.

Why should a person choose your product over its competitors?

Promptaa's answer:

Choose Promptaa for a user friendly platform, and to structure and engineer your prompts into context rich and XML structured enhancements.

How would you describe your primary audience?

Promptaa's answer:

Promptaa is an AI-powered tool for content creators, marketing, prompt engineers, and teams to organize, optimize, and collaborate on high-performing prompts, boosting productivity and consistency across AI workflows.

What's the story behind your product?

Promptaa's answer:

I needed a quick and easy way to manage reusable prompts and to engineer and enhance simple prompts into context rich instructions with role-playing, constraints, examples, and steps in 1 click.

Who are some of the biggest customers of your product?

Promptaa's answer:

Blue Agilis, Illy cafe, and over 1,000 users trust us for prompt engineering and enhancement.

User comments

Share your experience with using ExtendsClass CyrilEx Regex Tester and Promptaa. For example, how are they different and which one is better?
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What are some alternatives?

When comparing ExtendsClass CyrilEx Regex Tester and Promptaa, you can also consider the following products

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

PromptHub - Test, deploy, and manage your prompts with PromptHub, a prompt management tool designed to be usable by your whole team, not just engineers.

rubular - A ruby based regular expression editor

AI Prompt Generator - Create optimized and efficient prompts for various tasks.

RegexPlanet Ruby - RegexPlanet offers a free-to-use Regular Expression Test Page to help you check RegEx in Ruby free-of-cost.

promptpanda - Secure AI Prompt Management for Teams.

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