Usage of String.range in Swift 3.0

Question

let us = \"http://example.com\"
let range = us.rangeOfString(\"(?<=://)[^.]+(?=.com)\", options:.RegularExpressionSearch)
if range != nil {
    let found = us.sub         


        

Answer 1

In swift 3.0 rangeOfString syntax changed like this.

let us = "http://example.com"
let range = us.range(of:"(?<=://)[^.]+(?=.com)", options:.regularExpression)
if range != nil {
     let found = us.substring(with: range!)
     print("found: \(found)") // found: example
}