brim

#encoding=utf-8
import re

with open('20200922MAC.txt','r') as fp:
    txtinfo = ''.join(fp.readlines())
mac = re.findall(r'(?:[0-9a-fA-F]{2}:){5}(?:[0-9a-fA-F]{2})',txtinfo)
print('\n'.join(mac))
复制代码