奇怪的 String.split(" ") 行为 [英] Strange String.split(" ") behavior

问题描述

我有一个 .txt 文本文件，其中包含一些行..我使用 RequestBuilder 对象加载包含，并将 responseText 与words = String.split(" ");但我想知道，为什么结果包含 "部分..例如，我的文字:

I have a .txt text file, containing some lines.. I load the contain using the RequestBuilder object, and split the responseText with words = String.split(" "); but i wonder, why the result is contains the " " part.. For example, my text:

abc
def
ghi

结果是，

words[0] = "abc
"
words[1] = "def
"
words[2] = "ghi
"

非常感谢任何帮助.提前致谢.

Any help is highly appreciated. Thanks in advance.

推荐答案

Windows 回车符 (" ") 不应该对您的结果产生明显的影响，您也不应该需要转义您传递给 String.split() 的正则表达式.

Windows carriage returns (" ") shouldn't make a visible difference to your results, nor should you need to escape the regular expression you pass to String.split().

以下是使用 str.split(" ") 对上述两种情况的证明:http://ideone.com/4PnZi

Here's proof of both the above using str.split(" "): http://ideone.com/4PnZi

如果你确实有 Windows 回车，你应该(尽管绝对没有必要)使用 str.split(" "): http://ideone.com/XcF3C

If you do have Windows carriage returns though, you should (although strictly not necessary) use str.split(" "): http://ideone.com/XcF3C

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