How to get range of substring in swift3? [duplicate]

Question

How to get range of substring in swift3?

 let string  = "Please Click Here"

I need range of click

Answer 1

Convert to NSString and user rangeOf:

let string  = "Please Click Here"
let range = (string as NSString).range(of: "Click", options: .caseInsensitive)
print(range)

Answer 2

let string = "Please Click Here"
if let range = string.range(of: "Click") {
   print(range)

}