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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

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extension String {
    func isCapitalized() -> Bool {
        guard self.characters.count > 0 else {
            return false
        }
        return (CharacterSet.uppercaseLetters as NSCharacterSet).characterIsMember(String(self.characters.first!).utf16[String.UTF16Index(0)]);
    }
}

// Test

hcrub

import UIKit

/// Data Manager error types.
///
/// - noData:           No valid data was received.
/// - parsingFailure:   The data parsing failed.
/// - endpointFailure:  The endpoint failed.
/// - invalidInput:     The input was invalid.
/// - anyError:         Generic wrapped error.
enum DataError: Error {

hcrub

/// Interface representing an optionally nil value type.
protocol OptionalType: ExpressibleByNilLiteral {
    /// The boxed optional type.
    associatedtype Wrapped
}

extension Optional: OptionalType {}

// Example