New creates a new parser.

ParsePilotCallsign attempts to parse a callsign in one of the following formats: - A single word, followed by a number consisting of any digits - A number consisting of up to 3 digits Garbage in between the digits is ignored.

Anyface is a brevity codeword that can be used in place of a GCI callsign.

Parser converts brevity requests from natural language into structured forms.