Love Rubular? Here are a few open source copycats to checkout.

Adam Stacoviak Adam Stacoviak

Rubular is awesome for working with regexes and testing things out. It's fast, simple, and allows you to write/test/debug regexes super quick. The bummer is that it's not open source, so taking a peek under the hood to learn how its built isn't possible. (insert sad face)

Here are two options on GitHub that claim to be copycats. I have yet to dig deeper, but I plan to.

If you're the owner of Rubular, we'd love it if you would open source the code.

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