As some other replies pointed out, there are straightforward modifications to handle all those scenarios if those are your requirements instead. A place where r

As some other replies pointed out, there are straightforward modifications to handle all those scenarios if those are your requirements instead. A place where regex _does_ fail is in arbitrarily nested string interpolations (the key being _arbitrary_ nesting because with enough time anyone can come up with a convoluted enough regex to handle a bounded degree of recursion).