removing white spaces at beginning and end of string

Question

I\'ve got a problem with removing whitespaces at the beginning and end of string. For e.g. I\'ve got a string like:

\\r\\n\\t- Someone will come here?\\n- I d

Answer 1

In Swift 4 Use it on any String type variable.

extension String {
    func trimWhiteSpaces() -> String {
        let whiteSpaceSet = NSCharacterSet.whitespaces
        return self.trimmingCharacters(in: whiteSpaceSet)
    }
}

And Call it like this

yourString.trimWhiteSpaces()

Answer 2

let string = " exam ple "

let trimmed = string.replacingOccurrences(of: "(^\s+)|(\s+)$", with: "", options: .regularExpression)

print(">" + trimmed3 + "<")

// prints >exam ple<