
RegExr
rubular
Regex Crossword
Expresso
RegEx Generator
RegexOne
RegexPlanet Ruby
Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.

SysAid
"Server Security Cloud Security Office 365 Security Penetration Testing Load Testing Security Review & Audit Managed Detection & Response Compliance Analysis"

Which is more popular?
Based on our record, regular expressions 101 seems to be more popular. It has been mentioned 891 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | regex101.com | seqops.io |
| Pricing | — | |
| Company | — | Startup from Sweden · 10 - 19 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of regular expressions 101 yet.
SeqOps is a cybersecurity firm offering advanced security solutions such as vulnerability scanning, penetration testing, cloud and server security, and compliance analysis. We help businesses safeguard digital infrastructure with tailored, automated, and proactive protection services.
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Share your experience with using regular expressions 101 and SeqOps. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Time to take care of that regular expression that acts as the word separator. With some experimentation (the regex101 web site is good for that), we arrived at this:. - Source: dev.to / 3 months ago
Regex101.com — full debugger with step-by-step matching. - Source: dev.to / 6 months ago
Regex101.com is objectively better than my regex explainer. - Source: dev.to / 8 months ago
Tracking SeqOps since Sep 2025.
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A ruby based regular expression editor
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Welcome to the fantastic world of nerdy regex fun!
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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.
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RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.
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