Very true. I plan on writing about those in a coming post, along with zero-widths and look aheads/behinds. It has been a challenge trying to distill such a powe

Very true. I plan on writing about those in a coming post, along with zero-widths and look aheads/behinds. It has been a challenge trying to distill such a powerful tool into its logical building blocks, without biting off too much in any individual post.