TheAlienMann

func grabCity(_ str: String) -> String {
//  the commented line below (the regex to be exact) gets just the last word! which is wrong, my fault though, i didn't read the challenge corectly!
//  let regex = try! NSRegularExpression(pattern: "(\\w+)(?!.*\\w)", options: [])
//  the regex below get every matches in the sentence that is being wrapped in a pair of square brackets.
  let regex = try! NSRegularExpression(pattern: "(?<=\\[)(.+?)(?=\\])", options: [])
//  the "result" below is of type NSTextCheckingResult which is an array, since the challenge askes for the last match, and i couldn't get the last match through the regex, i ened up gtting the last match via the "last" item in the array.  
  let result = regex.matches(in: str, options: [], range: NSRange(location: 0, length: str.count)).last
  /*
  // from line 11 to 18, is an alternative for getting the matches out of the result array, since it is an array (of type NSTextCheckingResult) you can iterate thtough it (loop though it)
  // you can use each o

koingdev

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>destination</key>
	<string>upload</string>
	<key>method</key>
	<string>app-store</string>
	<key>provisioningProfiles</key>
	<dict>

ole

import UIKit

/// A validation rule for text input.
public enum TextValidationRule {
    /// Any input is valid, including an empty string.
    case noRestriction
    /// The input must not be empty.
    case nonEmpty
    /// The enitre input must match a regular expression. A matching substring is not enough.
    case regularExpression(NSRegularExpression)

pietrobasso

//: Playground - noun: a place where people can play
//
//  Created by Pietro Basso on 29/06/2018.
//  Copyright (c) 2018 Pietro Basso. All rights reserved.
//

let urls = ["http://youtu.be/NLqAF9hrVbY",
            "http://www.youtube.com/watch?feature=player_embedded&v=DJjDrajmbIQ",
            "http://www.youtube.com/watch?v=dQw4w9WgXcQ",
            "http://www.youtube.com/embed/NLqAF9hrVbY",

alsedi

import Foundation

extension UIView {
  func height(constant: CGFloat) {
    setConstraint(value: constant, attribute: .height)
  }
  
  func width(constant: CGFloat) {
    setConstraint(value: constant, attribute: .width)
  }

Deub27

import UIKit

extension UIStackView {
    
    func removeAllArrangedSubviews() {
        
        let removedSubviews = arrangedSubviews.reduce([]) { (allSubviews, subview) -> [UIView] in
            self.removeArrangedSubview(subview)
            return allSubviews + [subview]
        }

roytornado

import UIKit
import Firebase
import UserNotifications

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

  var window: UIWindow?
  static var shared: AppDelegate { return UIApplication.shared.delegate as! AppDelegate }

DejanEnspyra

//
//  Obfuscator.swift
//
//  Created by Dejan Atanasov on 2017-05-31.
//

import Foundation

class Obfuscator: AnyObject {
    

SAllen0400

// Swift 3

extension UIButton {
    
    func pulsate() {
        
        let pulse = CASpringAnimation(keyPath: "transform.scale")
        pulse.duration = 0.6
        pulse.fromValue = 0.95
        pulse.toValue = 1.0

gbitaudeau

// Created by Guillaume BITAUDEAU on 19/01/2017.
// @see : http://stackoverflow.com/a/41744464/1661338

import UIKit


@IBDesignable
class LayoutableButton: UIButton {
    
    enum VerticalAlignment : String {