Swift 字符串去除换行符空格符

capitalizedLetters：大写controlCharacters：控制符whitespacesAndNewlines：空格换行decimalDigits：小数letters：文字lowercaseLetters：小写字母uppercaseLetters：大写字母nonBaseCharacters：非基础alphanumerics：字母数字newlines：换行符illegalCharacters：非法punctuationCharacters：标点capitalizedLetters：大写symbols：符号var auth_string = String.init(data: auth_data as Data, encoding: String.Encoding.utf8)!;auth_string = auth_string.trimmingCharacters(in: NSCharacterSet.whitespaces);auth_string = auth_string.trimmingCharacters(in: NSCharacterSet.newlines);