def each_match(regex, type, default = nil)
			real_hash.each_key() { |key|
				if (matchinfo = regex.match(key))
					value = fetch(key, type, default)
					if (!value.nil?)
						yield(matchinfo, value)
					end
				end
			}
		end
def each_match(regex, type, default = nil)
			real_hash.each_key() { |key|
				if (matchinfo = regex.match(key))
					value = fetch(key, type, default)
					if (!value.nil?)
						yield(matchinfo, value)
					end
				end
			}
		end
Enumerates keys that match a regex, passing the match object and the
 value.