We did some further analysis of the regexp. We found:
1. Replacing \w+(?:\-*\w+)+ with \w[-\w]+ turns 5 hours into a few ms.
It still varies based on the length of the string, but it maxed out
at 100ms for hrSWInstalledLastUpdateTime.
2. This regexp is different from the one in the perl module
> On Tue, 14 Apr 2009 08:00:05 -0700, Bill Fenner said:
BF> Recently, we tracked down some pretty bad performance in our test
BF> infrastructure to the same regexp.
I find it odd that any regexp could possibly take that long trying to
measure such a short string. I'd also file a bug in the
