Would there be interest in a SERIOUS compile-time regex parser?

[BCS]

Don Clugston wrote:
> BUT...
> 
> The question is -- would this be worthwhile? I'm really not interested 
> in making another toy.
> It's straightforward, but tedious, and would double the length of 
> std.regexp.
> Would the use of templates be such a turn-off that people wouldn't use it?
> Do the benefits exceed the cost?

I have an idea for a project that would benefit from it.