Swift playground - How to convert a string with comma to a string with decimal

Question

I\'m new in the Swift world.

How can I converting a String with a comma to a String with a decimal?

The code work\'s fine with a dot (.)

The problem

Answer 1

var price = "2,25"
price = price.replacingOccurrences(of: ",", with: ".")
var priceFloat = (price as NSString).floatValue