Someone

t4supp = { "b14" => { "x" => 10,
                      "y" => 4,
                      "r" => "/^[0-9]*$/",
                      "v" => 0 },
           "b16" => { "x" => 5,
                      "y" => 6,
                      "r" => "/^[0-9.]*$/",
                      "v" => 1234.56 },
           "b22" => {"x" => 15,
                     "y" => 6,
                     "r" => "/^[0-9.]*$/",
                     "v" => 0.00 }
         }

t4supp.each_key {|k|
print "t4supp key = #{k}\n"
    t4supp[k].each {|k,v|
        print "  key = #{k}, value = #{v}\n"
    }
}