
regular expressions 101
rubular
Expresso
RegEx Generator
Regex Crossword
i Hate Regex
RegexPlanet Ruby
RegExr.com is an online tool to learn, build, and test Regular Expressions.

Codejava
Cyclr
Dzone
manik-hot-deploy
JRebel
ManageEngine RecoveryManager Plus
Heroku Enterprise
Java4s is a web-based java tutorial site that is created for developers and students.

Which is more popular?
Based on our record, RegExr seems to be more popular. It has been mentioned 368 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | regexr.com | java4s.com |
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| Company | Startup from the United States | — |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using RegExr and Java4s. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


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... - Source: dev.to / over 1 year ago
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 / about 2 years ago
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... - Source: Hacker News / over 2 years ago
Tracking Java4s since Mar 2021.
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Codejava is a web-based platform that offers a range of Java programming tutorials for both students and developers to polish their skills.
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Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app with Cyclr's flexible Embedded iPaaS.
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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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Dzone is one of the most leading websites that offer a range of programming, development, and DevOps news, tutorials, and tools for beginners to expert developers.
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