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//
// String+Base64.swift
// WireGuard
//
// Created by Eric Kuck on 8/15/18.
// Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All rights reserved.
//
import Foundation
extension String {
func isBase64() -> Bool {
let base64Predicate = NSPredicate(format: "SELF MATCHES %@", "^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$")
return base64Predicate.evaluate(with: self)
}
}
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