> From
> https://www.gnu.org/software/grep/manual/grep.html#The-Backslash-Character-and-Special-Expressions
> :
> 
> The ‘\’ character, when followed by certain ordinary characters, takes a
> special meaning:
> 
> ...
> 
> ‘\<’
> 
>     Match the empty string at the beginning of word.
> ‘\>’
> 
>     Match the empty string at the end of word.
> 
> 
> I'd be happy to use any other (more readable!) whole-word matching grep trick,
> this \<one\> just happens to be committed to my cmdline muscle memory.

There is 'grep -w' which I use for this.

Miroslav