使用单引号或三重引号的字符串前面可以加一个字母“r ”以表示Python不应该解释规则表达式特殊字符。

Both single-quoted or triple-quoted strings may be preceded by the letter "r" to indicate that regular expression special characters should not be interpreted by Python. For example.

youdao

使用单引号或三重引号的字符串前面可以加一个字母“r ”以表示Python不应该解释规则表达式特殊字符。

Both single-quoted or triple-quoted strings may be preceded by the letter "r" to indicate that regular expression special characters should not be interpreted by Python. For example.

youdao