> LZCNT (base 2) would get you to a range of possible decimal digit (base 10) lengths that would need further processing, but it's still more expensive than a t

> LZCNT (base 2) would get you to a range of possible decimal digit (base 10) lengths that would need further processing, but it's still more expensive than a table-lookup direct solution directly to the base you're interested in. Are you saying you've got a better solution than the blog post that does a direct table lookup? Can you share it?