Similarly, the phrase \. (? : com | edu | info) expresses a literal period followed by any of the strings com, edu, or info.

类似地，短句\ . (？：com | edu | info)表示句点，后接字符串com、edu或info中的任意一个。

youdao

Rangers looked to take advantage of a growing number of set plays but neither Kris Boyd or Edu could find the target with headers.

BBC: St Mirren 0-1 Rangers

What they really love are links to .gov, .org or .edu sites.

FORBES: Getting More People to Your Website.

Link to .gov, .org or .edu sites.

FORBES: Getting More People to Your Website.