S — a non white-space character.

S——非空白字符。

youdao

S — a white-space character, like TAB or new line.

s——空白字符，如制表符或换行符。

youdao

Replace sequences of white-space within the string with a single space.

将字符串内的空格序列替换为单个空格。

youdao

The compiler is going to ignore all of this so-called "pretty printing" -- all of this sort of indentation, -- all of this white space -- that's really for the human's benefits, both yours, your colleagues, the teaching staff, and the like.

编译器会忽略所有的叫做,“优美打印“--所有的这类缩进，所有的这些空格-,只是为了我们的利益，也是你的，你的同事，教员的和其他人的利益。

哈佛公开课 - 计算机科学课程节选

Even so, the equipment-makers argue that, though doable, all this sensing palaver makes white-space devices needlessly complicated and expensive.

ECONOMIST: Difference Engine

If Wi-Fi is anything to go by, white-space networking has the potential to change the way people live, work and play.

ECONOMIST: Difference Engine

White-space consumer products could then hit the retail market by late 2012.

ECONOMIST: Difference Engine