ParseJSONStringExtension.swift

import Foundation

extension String {
    
    var parseJSON: AnyObject? {
        
        let data = self.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
        
        if let jsonData = data {
            
            do {
                return try NSJSONSerialization.JSONObjectWithData(jsonData, options: NSJSONReadingOptions.MutableContainers)
            } catch _ {
                return nil
            }
            
        } else {
            
            return nil
            
        }
        
    }
    
}