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extension SymmetricKey {
  init(string keyString: String, size: SymmetricKeySize = .bits256) throws {
    guard var keyData = keyString.data(using: .utf8) else {
      print("Could not create base64 encoded Data from String.")
      throw CryptoKitError.incorrectParameterSize
    }
    
    let keySizeBytes = size.bitCount / 8
    keyData = keyData.subdata(in: 0..<keySizeBytes)
    

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fileprivate let badChars = CharacterSet.alphanumerics.inverted

extension String {
    var uppercasingFirst: String {
        return prefix(1).uppercased() + dropFirst()
    }

    var lowercasingFirst: String {
        return prefix(1).lowercased() + dropFirst()
    }

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i386 : iPhone Simulator
x86_64 : iPhone Simulator
arm64 : iPhone Simulator
iPhone1,1 : iPhone
iPhone1,2 : iPhone 3G
iPhone2,1 : iPhone 3GS
iPhone3,1 : iPhone 4
iPhone3,2 : iPhone 4 GSM Rev A
iPhone3,3 : iPhone 4 CDMA
iPhone4,1 : iPhone 4S

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//
//  FormDemoApp.swift
//  FormDemo
//
//  Created by Marc Prud'hommeaux
//

import SwiftUI

@main

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// NSRegularExpression+Split.swift
//
// Verbatim ObjC->Swift port originating from https://github.com/bendytree/Objective-C-RegEx-Categories

extension NSRegularExpression {
    
    func split(_ str: String) -> [String] {
        let range = NSRange(location: 0, length: str.characters.count)
        
        //get locations of matches