从HTML中提取的无效JSON字符串

Question

我从HTML代码中提取了JSON字符串。当我将该部分插入JSONLint时，它表示它是有效的JSON。但当我尝试从代码验证它时，它说它无效

从HTML

中提取的字符串

[{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"},{"shortid":"456673","url":"https://www.google.com","thumb":"https://www.google.com","imgid":"1:00z0z_5mLB7aZ1QcW"}]

let jsonData = extractedString.data(using: String.Encoding.utf8)

if JSONSerialization.isValidJSONObject(jsonData!) {
    print("Valid Json")
} else {
    print("InValid Json")
}