Swift regex matches

regexDemo.swift

//: Playground - noun: a place where people can play

import Foundation

extension String {
  func matchs(for regex: String) -> [String] {
    let regex = try! NSRegularExpression(pattern: regex, options: [])
    let matchs = regex.matches(in: self, options: [], range: NSRange(location: 0, length: characters.count))
    return matchs.map { (self as NSString).substring(with: $0.range) }
  }
}

let pattern = "(folder|doc|spreadsheet|sheet)/([0-9a-zA-Z]{16})"

let testDoc = "https://shimo.im/doc/BotXP1SpKWYEwISo"
print(testDoc.matchs(for: pattern)) // ["doc/BotXP1SpKWYEwISo"]

let testFolder = "https://shimo.im/folder/FE6BdL0jac4m7G7Z/"
print(testFolder.matchs(for: pattern)) // ["folder/FE6BdL0jac4m7G7Z"]

let testSheet = "https://shimo.im/sheet/LzlPT9jCrLAGI1MI"
print(testSheet.matchs(for: pattern)) // ["sheet/LzlPT9jCrLAGI1MI"]