[boost] Question about optimizations in Boost.Regex

From: Sam Jiang (potata_at_[hidden])
Date: 2008-04-15 17:12:37

Hi All

I'm just wondering; what kind of optimizations does the regex library come
with?
i.e if I was to say ^(string1|string2|string3), does it result in same
performance as using ^string[123]?

Thanks