How to remove multiple spaces in Strings with Swift 2

Question

Until Swift 2 I used this extension to remove multiple whitespaces:

func condenseWhitespace() -> String {
        let components = self.componentsSeparatedByC         


        

Answer 1

Here is mine: How it's actually worked.

extension String {

    func removeExtraSpaces() -> String {
        var data  = ""
        var numberOfSpace = 0
        let items = self.getComponents(separatedBy: " ")
        for item in items{
            if item == " "{
                numberOfSpace = numberOfSpace + 1
            }else{
                numberOfSpace = 0
            }
            if numberOfSpace == 1 || numberOfSpace == 0 {
                data =  data + item
                //data.append(item)
            }
        }
        return data
    }
} 

Usages

 var message = "What  is the    purpose   of life?"
 message = message.removeExtraSpaces()
 print(message)

Output:

What is the purpose of life?