How do I validate the format of a MAC address?

Question

What\'s the best way to validate that an MAC address entered by the user?

The format is HH:HH:HH:HH:HH:HH, where each H is a hexadecimal ch

Answer 1

#Just works Perfect
#validate the MAC addr

#!/usr/bin/python
import re

mac = "01-3e-4f-ee-23-af"

result = re.match(r"([0-9a-fA-F]{2}[-:]){5}[0-9a-fA-F]{2}$",mac)

if result:
    print ("Correct MAC")
else:
    print ("Incorrect MAC")