mask any single character (_)

匹配任何单一字符（_）

youdao

Alpha_p parses a single character.

alpha_p解析了单个的字符。

youdao

The period (.) represents any single character.

点（.） 代表任何单个字符。

youdao

And then hash character takes in any string or character, single character, gives me back a number. Notice what I do.

然后哈希接受任何字符串或字母，单个字符,返回给我一个数字，注意我要做什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you know you're not gonna output a full string %C but a single character, percent C will get that job done.

如果你不想输出一个完整的字符串,而是输出一个字母，就要用到。

哈佛公开课 - 计算机科学课程节选

But a char we've seen, a character being a single character.

正如我们看到的，一个字符就是一个单独的字符。

哈佛公开课 - 计算机科学课程节选

Rather than carom from character to character, as the series once did, the new episodes focus primarily on a single character, beginning with the ostensibly normal son, and the series' center of gravity, Michael Bluth (played with po-faced conviction by Jason Bateman).

WSJ: Latest 'Development' | Arrested Development | Mitchell Hurwitz | Cultural Conversation by David Mermelstein

In "Act Like a Man, Think Like a Lady, " the single mother character is trying to date herself out of her parenthood predicament.

CNN: Single mothers, stand proud

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NEWYORKER: ?lvaro Rousselot��s Journey