
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.

Scrimba
Codédex
CodeCrafters
Data Protocol
Codelita
Eloquent JavaScript
The State of JavaScript 2018
A free resource for learning and developing in JavaScript
Which is more popular?
Based on our record, RegExr seems to be a lot more popular than JavaScript.com. While we know about 368 links to RegExr, we've tracked only 1 mention of JavaScript.com.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | regexr.com | javascript.com |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of JavaScript.com yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using RegExr and JavaScript.com. 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
The best resource I know of is Javascript.com for learning Javascript for the first time. It's made by Pluralsight which is a site that contains courses. - Source: dev.to / over 4 years ago
When comparing RegExr and JavaScript.com, you can also consider the following products.

Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
Compare regular expressions 101 to RegExr or JavaScript.com:

Interactive coding screencasts created in an instant
Compare Scrimba to RegExr or JavaScript.com:



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.
Compare Expresso to RegExr or JavaScript.com:

Programming exercises for experienced engineers.
Compare CodeCrafters to RegExr or JavaScript.com: