g6jbN6QS

1let str = "the email"
2
3if str[str.count - 7] == "a"
4{
5    perform segueway? for aol.com
6}
7else if str[str.count - 9] == "g"
8     {
9         perform segueway? for gmail.com
10}
11else
12{
13     perform segueway? default?
14} 
15     
16extension String {
17
18var length: Int {
19    return count
20}
21
22subscript (i: Int) -> String {
23    return self[i ..< i + 1]
24}
25
26func substring(fromIndex: Int) -> String {
27    return self[min(fromIndex, length) ..< length]
28}
29
30func substring(toIndex: Int) -> String {
31    return self[0 ..< max(0, toIndex)]
32}
33
34subscript (r: Range<Int>) -> String {
35    let range = Range(uncheckedBounds: (lower: max(0, min(length, r.lowerBound)),
36                                        upper: min(length, max(0, r.upperBound))))
37    let start = index(startIndex, offsetBy: range.lowerBound)
38    let end = index(start, offsetBy: range.upperBound - range.lowerBound)
39    return String(self[start ..< end])
40}
41
42}