php regex word boundary matching in utf-8

Question

I have the following php code in a utf-8 php file:

var_dump(setlocale(LC_CTYPE, \'de_DE.utf8\', \'German_Germany.utf-8\', \'de_DE\', \'german\'));
var_dump(m         


        

Answer 1

According to this comment, that is a bug in PHP. Does using \W instead of \b give any benefit?