RELAY_URL_REGEX top-level property

Implementation

final RegExp RELAY_URL_REGEX = RegExp(
    r'^(wss?:\/\/)([a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])?)*|[0-9]{1,3}(?:\.[0-9]{1,3}){3}):?([0-9]{1,5})?(\/[^\s]*)?$');