从字符串中删除换行符 [英] Removing line breaks from string

问题描述

我有一个像这样的字符串:

I have a string like so:

var aString = "This is a string \n\n This is the second line of the string\n\n"

里面的文本视图看起来像这样:

Which inside a textview looks like so:

This is a string 

This is the second line of the string


// 2 extra lines of unnecessary white space

但是我希望它看起来像这样:

But i want it to look like this:

This is a string 
This is the second line of the string

我想从字符串的末尾删除所有"\ n"，并在重复的位置删除\ n，以使中间没有空格.

I want to remove all "\n" from the end of the string and remove \n where it repeats itself so theres no white space in the middle.

理想情况下，我猜最终结果应该是这样:

ideally, I'm guessing the end result should be this:

var aString = "This is a string \n This is the second line of the string"

推荐答案

这是什么?

var aString = "This is a string \n\n\n This is the second line of the string\n\n"
// trim the string
aString.trimmingCharacters(in: CharacterSet.newlines)
// replace occurences within the string
while let rangeToReplace = aString.range(of: "\n\n") {
    aString.replaceSubrange(rangeToReplace, with: "\n")
}

这篇关于从字符串中删除换行符的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！