G'day MattLG,
qr{...} does not return a string! See perlop - Regexp Quote-Like Operators for a description of what it does return. Here's an example:
$ perl -Mstrict -Mwarnings -E '
say q{*** Using qr{}};
my $re = qr{^.*$};
say ref $re;
say $re;
say q{*** Using q{}};
my $str = q{^.*$};
say ref $str;
say $str;
'
*** Using qr{}
Regexp
(?^u:^.*$)
*** Using q{}
^.*$
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