With https://github.com/compose-regexp/compose-regexp.js https://github.com/compose-regexp/compose-regexp.js you can have your cake and eat it too. It's a JS R

With https://github.com/compose-regexp/compose-regexp.js https://github.com/compose-regexp/compose-regexp.js you can have your cake and eat it too. It's a JS RegExp builder with a parser combinator API.