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

Walk into every corner of China through the logistics of X-kicks. com.

通过新新球鞋商城物流可以销往中国任何一个角落。

youdao

Cappex.com -- c-a-p-p-e-x -- matches students with colleges and universities.

VOA: special.2009.02.26

If a guy died in X-COm I just reloaded a save from a turn or two back.

FORBES: Connect

But had I been a bit older, or had I happened to play the original X-COM, my opinion might have varied.

FORBES: 'Halo 4' And The Impossible Quest For Novelty And Wonder

Was UFO: Enemy Unknown (or , if you prefer, X-COM: UFO Defense) the best PC game ever (spoiler: yes), and could a remake scale those heights?

FORBES: Fly-Past Friday: New X-COM: Enemy Unknown Video