IsValidURL (open)
Test whether an URL is a valid url
Syntax
LOADLIB "wh::internet/urls.whlib";
BOOLEAN FUNCTION IsValidURL(STRING url)
Parameters
STRING url
URL to check
Return value
BOOLEAN
True if the URL appears to be a valid URL.
Description
This function verifies that an URL looks like an URL. If the scheme is recognized, more stringent checks are performed (see IsValidPlainHTTPURL)