接下来的符号表示任意数量的空格、换行或制表符(\s)，但至少要有一个(+)。

What follows indicates any number of Spaces, new lines, or tabs (\ s), but at least one (+).

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第一个规则表达式将与后面依次跟有任意数量的空格或制表键以及开始圆括号的字符串“main ”匹配。

The first regular expression will match the string "main" followed by any number of Spaces or tabs, followed by an open parenthesis.

youdao

句结束（endof sectence）规则：将打印任意数量后跟空格的句结束标记符 [.!?] ，再跟着打印著名的（或臭名昭著的，随您喜欢）“Bork Bork Bork!

The end of sentence rule: The end of sentence markers [.!?] in any quantity, followed by space, will be printed, followed by the famous (or infamous, take your pick) "Bork Bork Bork!" message.

youdao

句结束（endof sectence）规则：将打印任意数量后跟空格的句结束标记符 [.!?] ，再跟着打印著名的（或臭名昭著的，随您喜欢）“Bork Bork Bork!

The end of sentence rule: The end of sentence markers [.!?] in any quantity, followed by space, will be printed, followed by the famous (or infamous, take your pick) "Bork Bork Bork!" message.

youdao