Re: \b in Unicode regex

[kennethk]

Do you mean

$string =~ /$_/;
$string =~ /\b$_\b/;

or do you really mean

$string =~ /\Q$_\E/;
$string =~ /\b\Q$_\E\b/;

As soon as your variable contains Metacharacters, they are not the same. See quotemeta, Quoting metacharacters.