「C#11」原始字符串 - New Raw string literals

在定义字符串时，我们往往夹杂着很多的符号，换?还有空格，但过往这些都需要增加转移字符，但现在通过原始字符串可以让字符串定义更为简单，也更容易给?接受。

string longMessage = """
   This is a long message.
   It has several lines.
        Some are indented
                 more than others.
   Some should start at the first column.
   Some have "quoted text" in them.
   """;