Looking at examples, I can't see where's improvement tbh. Both classical regex, and this new kid equally require training to read because they are both terse. A

Looking at examples, I can't see where's improvement tbh. Both classical regex, and this new kid equally require training to read because they are both terse. Adding whitespaces, and comments doesn't bring novelty - using your PL of choice syntax you can already split regex in smaller chunks for readability.