Pull string with PowerShell?

Question

PowerShell

Help with the code please, for example, the code starts ipconfig and the MAC address field displays

Answer 1

ipconfig /all | findstr "Physical"

Answer 2

If PS and Windows are fresher
Get-NetAdapter
and it has a MacAddress field

Answer 3

([regex]"(?<=: )([0-9A-F]{2}-){5}[0-9A-F]{2}\s").Matches((&{ipconfig /all})).Value