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RegExr
RegexOne
Regexper
i Hate Regex
rubular
RegexLearn
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Which is more popular?
Based on our record, Regex Crossword seems to be more popular. It has been mentioned 69 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | regexcrossword.com | opalstack.com |
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Recommendations tracked on public social media and blogs since March 2021.


> It's as if human words are complex, yet Regex actually does what it says. The patterns look less like an essay and more like a puzzle to crack. It wasted hours of my life: https://regexcrossword.com/. - Source: Hacker News / 11 months ago
I'm surprised nobody's mentioned the other Regex Crossword [0], it's shown up on HN several times [1][2] and has a fantastic user-submitted puzzle section (that includes the MIT Mystery Hunt puzzle [3]) and a puzzle builder. 0:... - Source: Hacker News / about 2 years ago
The Regex Crossword was the first thing that made it click for me: https://regexcrossword.com/. - Source: Hacker News / about 2 years ago
Tracking Opalstack since Sep 2023.
When comparing Regex Crossword and Opalstack, you can also consider the following products.

Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
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RegExr.com is an online tool to learn, build, and test Regular Expressions.
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RegexOne offers learning regular expressions with simple, interactive examples.
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