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Swift MCQs

How to extract a string from URL data?

import UIKit var url = "http://www.google.com/ss.js?id=123456789"; var id = url.componentsSeparatedByString("id="); print(id[1]) ;

var url = "http://www.google.com/ss.js?id=123456789;"; let hd = "http://www.google.com/ss.js?"; let ln = hd.text.characters.count; let id: String = url.startIndex.advancedBy(ln); print(id) ;

var url:String = "http://www.google.com/ss.js?id=123456789"; let hd = "http://www.google.com/ss.js?" ; let ln = hd.lengthOfBytesUsingEncoding(NSUTF16StringEncoding); let id: String = url.startIndex.advancedBy(ln); print(id) ;

All of the above

Answer

Correct Answer: import UIKit var url = "http://www.google.com/ss.js?id=123456789"; var id = url.componentsSeparatedByString("id="); print(id[1]) ;

Explanation:

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