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第一种:
import Foundation
let url = URL(string: "http://google.com")!
var string = url.absoluteString
if let scheme = url.scheme, string.hasPrefix(scheme) {
string.removeFirst(scheme.count + "://".count)
}
print(string)
第二种:
var str = "https://www.google.de"
if let httpRange = str.range(of: "https?://", options: .regularExpression, range: nil, locale: nil) {
str.removeSubrange(httpRange)
}
或者:
let string = "https://www.google.de"
let newString = str.replacingOccurrences(of: "https?://", with: "", options: .regularExpression, range: nil)
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