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

WinDiff
CompareMerge
Online Text Compare
GNU Diff Utilities
Workshare Compare
Compare It!
Text compare!
AptDiff is a visual text / binary files comparison and merging utility for Windows.
Which is more popular?
Based on our record, regular expressions 101 seems to be more popular. It has been mentioned 893 times since March 2021.
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| Website | regex101.com | web.archive.org |
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AptDiff is a freeware that’s now discontinued, but still available to download through some third-party websites. Despite being free, it’s an advanced and responsive file comparison tool for Windows. It lets you...
Recommendations tracked on public social media and blogs since March 2021.


Regex101 — A great resource for creating, testing, and understanding regular expressions. - Source: dev.to / 12 days ago
Regex101 is the tool I'd point anyone to. Paste a pattern and some test text, and it highlights matches and explains every token in plain English on the side. Pick the right flavor in the left menu (PCRE, JavaScript, Python, Go and... - Source: dev.to / 17 days ago
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 / 5 months ago
Tracking AptDiff since Mar 2021.
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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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Online Text Compare tool allows you to compare two documents in different formats.
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