Thus, the subpattern ((?x) edu | com | info) (notice the spaces between the alternation operators, added for legibility) is the same as (edu|com|info).

因而，子模式 ((? x) edu | com | info)（请注意备用操作符之间的空格，这些空格是为了易读性而添加的）与 (edu|com|info) 相同。

youdao

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

You can now use the db2pd command, with the -edu option, to list all edu threads that are active.

现在可以使用db 2 pd命令和- edu选项列出所有活动的edu线程。

youdao

They're turned away, shunned, treated with condescension and even insulted by self-serving public school "edu-crats" who treat these institutions like their own private offices where they don't want to be bothered by anyone who doesn't have a teaching or administrative credential.

CNN: Give Obama A+ for school reform ideas

This way they stay with their peers (or cohorts, in edu-speak) and their teachers and are in comfortable surroundings.

FORBES: Magazine Article

But we edu-nihilists actually do have a lot of ideas.

FORBES: Matt Yglesias and the Edu-Nihilism Straw Man