更新时间:2023-02-26 14:02:38
你匹配年份的顺序是:
([19s[2-9s][0-9s])dd
看起来格式不正确,因为括号不匹配.
Which looks malformed, as the brackets do not match.
另外,两个数字的存在(使用d
)意味着表达式将不匹配空格.
Also, the presence of the two digits (using d
) means that the expression will not match white space.