如何与一个空格替换多个空格 [英] How to replace multiple white spaces with one white space

问题描述

让我们说我有一个字符串，如：

 你好你怎么样？
 

我想，轮流多个空格变成一个空格的功能。

所以，我会得到：

 你好你怎么样？
 

我知道我可以使用正则表达式或调用

 字符串s =你好你怎么样？代替（，）;
 

不过，我会多次调用它，以确保所有连续空格被只有一个替代。

时已经有一个内置该方法？

解决方案

 字符串cleanedString = System.Text.RegularEx pressions.Regex.Replace（dirtyString，@\\ S + ，）;
 

Let's say I have a string such as:

"Hello     how are   you           doing?"

I would like a function that turns multiple spaces into one space.

So I would get:

"Hello how are you doing?"

I know I could use regex or call

string s = "Hello     how are   you           doing?".replace("  "," ");

But I would have to call it multiple times to make sure all sequential whitespaces are replaced with only one.

Is there already a built in method for this?

解决方案

string cleanedString = System.Text.RegularExpressions.Regex.Replace(dirtyString,@"\s+"," ");

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