Is my go-to. Punch in a regex and it'll tell how it breaks down. Punch in some sample data to see if it matches or not. It also gives performance feedback too (steps + total execution time). Never mess around with regexes in the dark again.
I also like regexr.com. A little more minimal if you get the gist!
It is definitely a faster loading web app and it might even run locally? I'm pretty sure regex101 was the first tool like it out there and I've seen a few others over the years...but my fingers type in what they remember!
Haha -- hey, no harm in that. As long as it gets the job done!
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