Swift Attributes String Extension

Swift Attributed String

extension String {
    func stringToAttributedString() -> NSAttributedString {
        var html = self
        while let range = html.rangeOfString("\n") {
            html.replaceRange(range, with: "</br>")
        }
        
        html = "<span style='font-family: Helvetica; font-size:14pt'>"+html+"</span>"
        let data = html.dataUsingEncoding(NSUnicodeStringEncoding, allowLossyConversion: true)
        let attrStr = try! NSAttributedString(data: data!, options: [NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType], documentAttributes: nil)
        return attrStr
    }
}