如何使用c＃打破字符串 [英] How to break a string using c#

问题描述

如何打破c中的字符串



Ex：

 Cananyoneshowsmehowtoaddthelinebreak 

预期：

 Cana 
 nyon 
 esho 

我试过了，\ n，\ r \\ n，但是没有工作。



我尝试了什么：



我试过了，\ n，\ r \\ n，但是没有工作。

Cana < br> nyon


















换行有意义吗？

字符串没有中断，换行只是一个字符或字符序列，就字符串而言。只有当一个字符串输出到浏览器，显示器或打印机时，换行才变得相关 - 然后它取决于你执行换行的环境。

例如，输出到console：

 Console.WriteLine（  Cana< /跨度>）; 
 Console.WriteLine（  nyon）; 

和

 Console.WriteLine（  Cana\\\
nyon）; 

是equivelant，并且有两个换行符。

但是对于浏览器，你需要HTML：

 Response.Write（  Cana< br /> nyon< br /> ）; 

是否需要。

对于打印或通过Paint事件输出到显示器，它变得更加复杂。



基本上，一个字符串不是一个可输出的对象，它没有换行符的概念 - 所以我们不能给出一刀切的答案。

使用 Environment.NewLine Property 是这样的：

  string  str =   Cana + Environment.NewLine +   nyon + Environment.NewLine +  无论; 

是否要分成四个字符的块？

怎么样？

  string  s =   Cananyoneshowsmehowtoaddthelinebreak; 
  while （s.Length >   4 ）
 {
 Console.WriteLine（s.Substring（ 0 ， 4 < /跨度>））; 
 s = s.Substring（ 4 ）; 
} 
 如果（s.Length >   0 ）
 {
 Console.WriteLine（s）; 
} 

干杯

Andi

How to break the string in c#

Ex:

Cananyoneshowsmehowtoaddthelinebreak

Expecting :

Cana
            nyon
            esho

I tried
,\n,\r\n, but not working.

What I have tried:

I tried
,\n,\r\n, but not working.
Cana
nyon
esho
wsme

解决方案

What do you mean by "break a string"?
And where are newlines significant?
Strings don't have "breaks" and a newline is just a character or character sequence as far as a string is concerned. It's only when a string is output to a browser, display, or printer that line breaks become relevant - and then it depends on the environment what you do to perform a newline.
For example, outputting to a console:

Console.WriteLine("Cana");
Console.WriteLine("nyon");

and

Console.WriteLine("Cana\nnyon");

are equivelant, and put in two newlines.
But for a browser, you need HTML:

Response.Write("Cana<br />nyon<br />");

Is needed.
For printing, or output to displays via Paint events, it gets even more complex.

Basically, a string isn't an "output-able" object, and it has no concept of a line break - so there is no "one size fits all" answer we can give.

Use the Environment.NewLine Property like this:

string str = "Cana" + Environment.NewLine + "nyon" + Environment.NewLine + "whatever";

Is it about splitting into chunks of four characters?
How about this?

string s = "Cananyoneshowsmehowtoaddthelinebreak";
while(s.Length > 4)
{
    Console.WriteLine(s.Substring(0,4));
    s = s.Substring(4);
}
if (s.Length > 0)
{
    Console.WriteLine(s);
}

Cheers
Andi

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