String+extension

String+extension.swift

//
//  String+extension.swift
//
//  Created by swift-al-dente on 31/10/21.
//

import Foundation

extension String {
    // MARK: - Regex
    var isValidItalianFiscalCode: Bool {
        let fiscalCodeRegEx = "[A-Za-z]{6}[0-9lmnpqrstuvLMNPQRSTUV]{2}[abcdehlmprstABCDEHLMPRST]{1}[0-9lmnpqrstuvLMNPQRSTUV]{2}[A-Za-z]{1}[0-9lmnpqrstuvLMNPQRSTUV]{3}[A-Za-z]{1})|([0-9]{11}"

        let emailPred = NSPredicate(format:"SELF MATCHES %@", fiscalCodeRegEx)
        return emailPred.evaluate(with: self)
    }

    var isValidEmail: Bool {
        let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"

        let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
        return emailPred.evaluate(with: self)
    }
    
    var isValidItalianBankAccount: Bool {
        let bankAccountRegEx = "IT[0-9]{2}[ ][a-zA-Z][0-9]{3}[ ][0-9]{4}[ ][0-9]{4}[ ][0-9]{4}[ ][0-9]{4}[ ][0-9]{3}|IT[0-9]{2}[a-zA-Z][0-9]{22}"

        let bankAccountPred = NSPredicate(format:"SELF MATCHES %@", bankAccountRegEx)
        return bankAccountPred.evaluate(with: self)
    }
    
    // MARK: - Date
    var epochToDate: Date? {
        if let timeInterval = TimeInterval(self) {
            return Date(timeIntervalSince1970: timeInterval)
        } else { return nil }
    }
    
    func toDate(with dateFormat: String) -> Date? {
        //e.g. "2020-05-01 11:30"
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = dateFormat
        dateFormatter.timeZone = TimeZone.current
        dateFormatter.locale = Locale.current
        return dateFormatter.date(from: self)
    }
}