For ruby regex, I use https://rubular.com/ https://rubular.com/ Actually I use it for all platforms, and it works most of the time. If I notice that something

For ruby regex, I use https://rubular.com/ https://rubular.com/ Actually I use it for all platforms, and it works most of the time. If I notice that something is odd because the regex engine is different, then I'll use something else. But I really value Rubular's UI simplicity.