Software Alternatives, Accelerators & Startups

RegExr VS Guerrilla Mail

Compare RegExr VS Guerrilla Mail 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.

Guerrilla Mail logo Guerrilla Mail

Guerrilla Mail is a web-based app that provides a disposable and anonymous email address. Users of the service are not required to set up an account in order to send or receive emails.
  • RegExr Landing page
    Landing page //
    2023-07-28
  • Guerrilla Mail Landing page
    Landing page //
    2021-09-15

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.

Guerrilla Mail features and specs

  • Anonymity
    Guerrilla Mail allows users to send and receive emails without revealing their real identity. This is beneficial for privacy-focused individuals who do not want their personal information exposed.
  • Temporary Email
    The service provides temporary email addresses that automatically expire, which helps to reduce spam and prevent unwanted emails in your primary inbox.
  • No Registration Required
    Users do not need to sign up or provide any personal information to use the service, making it quick and easy to use.
  • Spam Filter
    Guerrilla Mail has a spam filter that helps in controlling unsolicited emails, enhancing the user's experience.
  • Attachment Support
    Users can send attachments with their emails, which adds versatility to the service for various needs.

Possible disadvantages of Guerrilla Mail

  • Limited Duration
    Emails and email addresses only last for a short period (60 minutes), which can be inconvenient for long-term needs.
  • Basic Interface
    The user interface is quite simple and might not offer the advanced features that other email services provide.
  • Not Secure
    As a temporary email service, it lacks robust security features, making it unsuitable for sending sensitive information.
  • Deliverability Issues
    Emails sent via Guerrilla Mail may sometimes be recognized as spam by recipients' email providers, which can lead to deliverability issues.
  • Public Access
    Someone who knows the email address you are using can access your received emails since the service is publicly accessible, which could pose a privacy risk.

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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Guerrilla Mail videos

Can guerrilla mail be traced?

More videos:

  • Review - Saca provecho de un correo temporal con Guerrilla Mail

Category Popularity

0-100% (relative to RegExr and Guerrilla Mail)
Programming Tools
100 100%
0% 0
Disposable Email
0 0%
100% 100
Regular Expressions
100 100%
0% 0
Fake Email
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare RegExr and Guerrilla Mail

RegExr Reviews

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Guerrilla Mail Reviews

15 Alternatives to Mailinator
Guerrilla Mail is one of the best known disposable email providers around. It uses a session address that lasts as long as you keep that session open. Any emails received will automatically be deleted after an hour, though. To reduce the chances of blacklisting, there are currently eleven domains to choose from, including the awesome @sharklasers.com.

Social recommendations and mentions

Based on our record, RegExr seems to be a lot more popular than Guerrilla Mail. While we know about 368 links to RegExr, we've tracked only 5 mentions of Guerrilla Mail. 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 / 10 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

Guerrilla Mail mentions (5)

  • Recommended alternative to guerrillamail.com?
    I've occasionally used guerrillamail.com to create a free throwaway email account when registering for other sites. Source: almost 3 years ago
  • Anyone here use guerrillamail.com at all?
    But just the last couple of days guerrillamail.com seems to be down. Does this happen more often? Any alternatives you'd suggest? Source: almost 3 years ago
  • Should I be using a VPN when downloading files? Also what kind of “iffy” stuff should I be avoiding. New to the community, thanks
    Some services block the guerrillamail.com emails and the sharklaser ones. I use these to sign up for spotify and other platforms that dont need my info. Source: about 3 years ago
  • A typical elven caravan. This drawing is inspired by the amazing pixel art on the trading page of the wiki. I have been meaning to draw it for years. Full credit to whoever made the pixel art! I recorded the process drawing this, I'll link it in the comments below :)
    Go to guerrillamail.com and make 100 more accounts :P. Source: about 4 years ago
  • Tickets are available for free on Eventbrite... be a real shame if a bunch of lefties ordered all the tickets, so she winds up speaking in an empty auditorium.
    You do need to verify the emails, unfortunately. You can use guerrillamail.com or 10minutemail.org with a private tab or tor. Source: over 4 years ago

What are some alternatives?

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

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

Mailinator - Any Inbox. Any Time.

rubular - A ruby based regular expression editor

MailDrop - maildrop is a Mail delivery agent used by the Courier Mail Server. The maildrop MDA also includes filtering functionality. maildrop receives mail via stdin and delivers in both Maildir and mbox formats.

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.

10 Minute Mail - Temporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.