Is there a shortcut for word boundary in `less`?

Question

This is the less I am using:

less 458 (POSIX regular expressions)
Copyright (C) 1984-2012 Mark Nudelman

In Vim it is \\< a

Answer 1

The character classes [[:<:]] and [[:>:]] match beginning and end of word, respectively, in system less on OS X 10.11.5. I haven't found a way to make the documented short forms \<, \>, or \b work.

(Thanks to denis for the suggestion to check man 7 re_format.)