RegexBuddy might be a bit more popular than Reggy. We know about 1 link to it since March 2021 and only 1 link to Reggy. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
There's a free app for macOS too: http://reggyapp.com. Source: about 2 years ago
At first glance this looks like software that’s a bit dated and nothing special, but try to use it just once and tell me if you don’t agree it’s freaking awesome when do you want to create an expression or get a feel for exactly how it’s working. I have no affiliation with these guys, I’ve just been impressed over the years https://regexbuddy.com. - Source: Hacker News / over 2 years ago
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RegexPlanet Ruby - RegexPlanet offers a free-to-use Regular Expression Test Page to help you check RegEx in Ruby free-of-cost.