Get Cookie by name by regex

[g-viet]

function getCookieValue(name) {
  let result = document.cookie.match("(^|[^;]+)\\s*" + name + "\\s*=\\s*([^;]+)")
  return result ? result.pop() : ""
}

https://coderrocketfuel.com/article/how-to-create-read-update-and-delete-cookies-in-javascript