Some more test cases to consider: 

    { m => 'catdog' },
    { n => 'cat pics', o => 'cat', p => 'doggy' },

[download]

Both aren't included in your result list; might be interesting to know if they should.

Perl 6 - the future is here, just unevenly distributed

In reply to Re^2: Checking a hash for two matching values. by moritz
in thread Checking a hash for two matching values. by walkingthecow

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