MODEL_REGEX
private val MODEL_REGEX: String = "^(?!^(Google Chrome|Safari|Microsoft Edge|Mozilla Firefox|Opera|Samsung Internet|Brave|Vivaldi|Tor Browser|Epic Privacy Browser|Maxthon)$)(\d{1,2}[A-Za-z]?[- ]?\d?[A-Za-z]?|[A-Za-z]+[ -]?\d{1,2}([A-Za-z]?|\d*)|[A-Za-z0-9]+[- ]?\d{1,2}|\d{1,2}[- ]?[A-Za-z0-9]+|[A-Za-z0-9]+[ -]?[A-Za-z0-9]+|\d{1,2}[A-Za-z]? ?[A-Za-z]+|\w+ ?[A-Za-z0-9]+)$"
MODEL_REGEX regex to validate the models
values