You can always spot a raw string because the starting quotation mark for the string is preceded by an r, which is short for raw.

您始终可以认出原始字符串，因为该字符串的起始引号的前面有一个 r 字符，它是 raw 的缩写。

youdao

He was, for instance, the first to spot that the Times had attacked John Ashcroft, the conservative attorney-general, with a truncated and misleading quotation lifted from another newspaper.

ECONOMIST: ��All the news that��s fit to print��