SplitStringIndexs.swift

//  NumberBeforeStringVC.swift
//  For Test Part 4
//
//  Created by Jeri PM on 05/10/18.
//  Copyright © 2018 Jeri PM. All rights reserved.
//

class NumberStringVC: UIViewController {
    @IBOutlet weak var texField: UITextField!
    @IBOutlet weak var texField1: UITextField!
  
    var noPolisi = "8923ZE"
    
    override func viewDidLoad() {
        super.viewDidLoad()
        let strint = noPolisi.group(of: 4)
        print("\(strint[0]) Or \(strint[1])")
      
        self.texField.text = "\(strint[0])"
        self.texField1.text = "\(strint[1])"
        
    }
    
}

// Group String

extension String {
    func group(of n: Int) -> [String] {
        let chars = Array(self)
        return stride(from: 0, to: chars.count, by: n).map {
            String(chars[$0..<min($0+n, chars.count)])
        }
    }
}
//-----------------------------------------------------------------------

// or can use this, simple code

class NumberStringVC: UIViewController {
    @IBOutlet weak var texField: UITextField!
    @IBOutlet weak var texField1: UITextField!
  
    var noPolisi = "8923_ZE" // use "_" to split by components
    
    override func viewDidLoad() {
        super.viewDidLoad()
        let strint = noPolisi.components(separatedBy: "_")
        print("\(strint[0]) Or \(strint[1])")
      
        self.texField.text = "\(strint[0])"
        self.texField1.text = "\(strint[1])"
        
    }
    
}

Split String And Set Index

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