Power Query, auf nicht druckbare Zeichen prüfen
let CheckInvisibleCharacters = (inputText as text) as logical => let invisiblePatterns = { "#(cr)", // Carriage Return "#(lf)", // Line Feed "#(cr)#(lf)", // Carriage Return + Line Feed "#(tab)", // Tab Character.FromNumber(160), // Non-breaking Space Character.FromNumber(8203) // Zero-width Space }, result = List.AnyTrue(List.Transform(invisiblePatterns, each Text.Contains(inputText, _))) in result in CheckInvisibleCharacters