Originally Posted by David the H.
Yes, but the difference comes when I leave off the \<,\> word boundry anchors. I thought the the whole point was that -w made them unnecessary.
My mistake. Testing correctly gives the same results here now.
Changing \< and \> to \b gives the same result as the -iw form.
signifies "\b at the beginning of a word" and \>
signifies "\b at the end of a word", that behaviour doesn't make sense to me.
Netsearching did not help. One page
says the \b is "for compatibility with GNU Emacs