Peter H. Lemieux wrote: > Karl Auer wrote: >> On Tue, 2006-11-14 at 09:58 -0500, Peter H. Lemieux wrote: >>> < body __HAS_PENETRATION /\bpenetration\b/i >> >> I think a lot of rules would be better for losing the word >> boundaries. Very few of the worst "four letter words", are ever >> legitimate substrings, either. > > I generally agree, Karl. In this particular instance I was > suggesting a patch to the 70_sare_adult ruleset and was following the > patterns the maintainer used for similar rules. > > OTOH, I've had FP problems with simple word searches that > don't include > word boundaries. A word like "sex" can match "sextuplets" or > "Middlesex". (The latter case brought this quickly to my > attention some > years ago when I first starting writing my own SA rules. > Middlesex is a > county here in Massachusetts.) It's often hard to imagine all the > possible false positives that might arise from a particular > string, so I > can understand why the publicly-distributed rulesets like > those from SARE > are so careful about word boundaries. > > Peter
And please don't forget Scunthorpe and Penistone. http://en.wikipedia.org/wiki/Scunthorpe_Problem Cheers, Phil -- Phil Randal Network Engineer Herefordshire Council Hereford, UK
