URL strip

gistfile1.txt

func stripUrlToValid(_ url: String) -> String {
    var stripped = url.trimmingCharacters(in: .whitespacesAndNewlines)
    
    if stripped.hasPrefix("https") {
        stripped = stripped.replacingOccurrences(of: "https", with: "")
    }
    if stripped.hasPrefix("http") {
        stripped = stripped.replacingOccurrences(of: "http", with: "")
    }
    while stripped.hasPrefix(":") || stripped.hasPrefix("/") {
        if stripped.hasPrefix(":") {
            stripped = String(stripped.dropFirst(1))
        }
        if stripped.hasPrefix("/") {
            stripped = String(stripped.dropFirst(1))
        }
    }
    if let firstBrake = stripped.firstIndex(of: "/") {
        stripped = String(stripped.prefix(upTo: firstBrake))
    }
    print("|\(url)| -> |\(stripped)|")
    return url
}
stripUrlToValid("http://abc.com/")
stripUrlToValid("https://abc.com")
stripUrlToValid("http://abc.com/valid")
stripUrlToValid("https://abc.com/login")
stripUrlToValid("://abc.com/login")
stripUrlToValid("//abc.com/login")
stripUrlToValid("/abc.com/login")
stripUrlToValid("https//abc.com/login")
stripUrlToValid("http:/abc.com/login")
stripUrlToValid("https:///abc.com/login/status")
stripUrlToValid("abc.com/login")