mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-11-21 23:43:25 +01:00
44 lines
1.0 KiB
PowerShell
Executable File
44 lines
1.0 KiB
PowerShell
Executable File
<#
|
|
.SYNOPSIS
|
|
Checks the given MAC address for validity
|
|
.DESCRIPTION
|
|
This PowerShell script checks the given MAC address for validity
|
|
Supported MAC address formats are: 00:00:00:00:00:00 or 00-00-00-00-00-00 or 000000000000.
|
|
.PARAMETER MAC
|
|
Specifies the MAC address to check
|
|
.EXAMPLE
|
|
PS> ./check-mac-address 11:22:33:44:55:66
|
|
✅ MAC address 11:22:33:44:55:66 is valid
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
param([string]$MAC = "")
|
|
|
|
function IsMACAddressValid { param([string]$mac)
|
|
$RegEx = "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})|([0-9A-Fa-f]{2}){6}$"
|
|
if ($mac -match $RegEx) {
|
|
return $true
|
|
} else {
|
|
return $false
|
|
}
|
|
}
|
|
|
|
try {
|
|
if ($MAC -eq "" ) {
|
|
$MAC = read-host "Enter MAC address to validate"
|
|
}
|
|
if (IsMACAddressValid $MAC) {
|
|
"✅ MAC address $MAC is valid"
|
|
exit 0 # success
|
|
} else {
|
|
write-warning "Invalid MAC address: $MAC"
|
|
exit 1
|
|
}
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|