Renamed folder Scripts to scripts

scripts/check-mac-address.ps1

@@ -0,0 +1,43 @@
+<#
+.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
+}