I often use \< and \> to denote the start and end of word.  But they 
don't seem to work with gsub.  Am  I missing something?

I would expect the following:
"xword1 word2 tword3".gsub( /\<word, 'XXXX' )

to return "xword1 XXXX2 tword3", but instead it the string unchanged.

If the \< and \> are not supported, is there an alternative that ruby 
provides?  Thanks.

Thanks,

~S