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int A Number of Flaps: 6 ... int C Number of Flaps: 9 IP Address 9.9.9.9
^(?:int)\s+(\w+)\s*?\n (?:\s*Number\sof\sFlaps:\s(\d+)\s*?\n)? (?:\s*IP\sAddress:?\s([\d\.]+)\s*?\n)? (?=^int|\Z)