Regex

Regex.swift

import Foundation

struct Regex {
    
    let pattern: String
    let options: NSRegularExpression.Options!
    
    private var matcher: NSRegularExpression {
        let matcher = try? NSRegularExpression(pattern: self.pattern)
        return matcher!
    }
    
    init(pattern: String, options: NSRegularExpression.Options? = nil) {
        self.pattern = pattern
        self.options = options
    }
    
    func match(string: String, options: NSRegularExpression.MatchingOptions) -> Bool {
        return matcher.numberOfMatches(in: string, options: options, range: NSMakeRange(0, string.utf16.count)) != 0
    }
}