export function validateHost(c: FormControl) {
// Thanks to http://stackoverflow.com/a/106223
- let HOST_REGEXP = new RegExp(
+ const HOST_REGEXP = new RegExp(
'^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$'
);