Daniel Daniel - 1 year ago 131
iOS Question

swift - how can I remove blank(empty) line in NSAttributedString?

I'm making a Note-Taking-App.
I save Attributed text On DetailVC
and I show the preview in the UITableViewCell label.

In the label I have a text like this

The Bold Title

my Text

and I want to change this like

The Bold Title
my Text

I found the solution in String

let regex = try! NSRegularExpression(pattern: "\n+", options: [])
let newString = regex.stringByReplacingMatches(in: MyString, options: [], range: NSRange(location: 0, length: MyString.characters.count), withTemplate: "\n")

but how can I do it in NSAttirbutedString?

pls help!

Answer Source

You can make a NSMutableAttributedString which is an attributed string which allows mutation of its contents and then use the property mutableString of it.

If you already have a NSAttributedString you can use mutableCopy() or take a look at possible initializers of NSMutableAttributedString.

let str = NSMutableAttributedString(string: "Hardcore\n\nHenry")
str.mutableString.replaceOccurrences(of: "\n\n", with: "\n", options: [], range: NSMakeRange(0, str.length))
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