
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.

JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers

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 | developertools.tech |
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| Company | Startup from the United States | — |
| Listed in |
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.


Overall verdict
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Recommended for
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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 DeveloperTools.Tech. 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 / almost 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 / about 2 years ago
Tracking DeveloperTools.Tech since Apr 2023.
When comparing RegExr and DeveloperTools.Tech, you can also consider the following products.

Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
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The JSON Formatter was created to help with debugging.
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A collection of developer tools in one place in your browser
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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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Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
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