PowerShell - "ss" -eq "ß" - ergibt True

$bytes1 = [System.Text.Encoding]::UTF8.GetBytes("ss")  
$bytes2 = [System.Text.Encoding]::UTF8.GetBytes("ß")  

# Vergleiche die Länge
if ($bytes1.Length -ne $bytes2.Length) {
    $isEqual = $false
} else {
    # Vergleiche die Bytes ansich
    $isEqual = $true
    for ($i = 0; $i -lt $bytes1.Length; $i++) {
        if ($bytes1[$i] -ne $bytes2[$i]) {
            $isEqual = $false
            break
        }
    }
}

$isEqual

"ss" -like "ß"  

[string]::Equals('ss','ß')  

[string]::Equals('ss','ß','OrdinalIgnoreCase')  

'ss' -match '^ß$'