Python: Regex

Port Regex

port_regex = re.compile(r'\b('
                        r'6553[0-5]|'
                        r'655[0-2][0-9]|'
                        r'65[0-4][0-9][0-9]|'
                        r'6[0-4][0-9][0-9][0-9]|'
                        r'[1-5][0-9][0-9][0-9][0-9]|'
                        r'[1-9][0-9][0-9][0-9]|'
                        r'[1-9][0-9][0-9]|'
                        r'[1-9][0-9]|'
                        r'[1-9])'
                        r'\b')