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import Foundation
struct Entity {
let ID, name: String
func verify() -> Bool {
// 以下的内容将能够判断名为 ID 的字符串是否满足13位数字的情况，可以直接照搬
let reFormula = try! NSRegularExpression(pattern: "^\\d{13}$", options: [NSRegularExpression.Options.anchorsMatchLines])
let matchRange = NSRange(ID.startIndex..<ID.endIndex, in: ID)
let matchList = reFormula.matches(in: ID, range: matchRange)
if matchList.count != 1 {
return false
}
return true
var fly = Entity(ID: "0000000000987", name: "蒼蠅")
fly.verify()
var xiaoming = Entity(ID: "20211145145141919810", name: "可利斯")
xiaoming.verify()
