From: Dave Thomas Date: 2008-12-03T12:54:47+09:00 Subject: [ruby-core:20234] Re: \b and \B with Unicode On Dec 2, 2008, at 6:30 PM, Michael Selig wrote: > The character in question is Unicode U+2202 which is "Partial > Differential". Though it looks like it might be a letter, it is NOT > defined as a letter in Unicode (it is part of the "mathematical > operators" block). So I think Ruby is correct here! Ouch: I just used Option-D on the Mac to generate it. I'll try again. Thanks Dave