nothing really, i'm also not sure why the "-" after the 9 doesn't need to be escaped, but it does seem to work property without it.
--Scott --- In [email protected], "jmfillman" <[EMAIL PROTECTED]> wrote: > > I had been playing with this: > > var pattern:RegExp = /\b[A-Za-z0-9-']+/gi; > > In your example, what does the "\b" at the end do that the one at the > beginning doesn't? >

