Keyboard.EscapeSequence returns string with additional undesired character (curly bracket).
string str = @"!§$%&/()=?´`{[]}\#'+*~,.-;:_<>|@^°"; str = Keyboard.EscapeSequence(str);str value before: !§$%&/()=?´`{[]}\#'+*~,.-;:_<>|@^°
str value after:__!§$%&/()=?´`{{[]}\#'+*~,.-;:_<>|@^°