: If the website title (<title> in HTML) contains text that would be useful as a Wikidata item label, specify a regular expression with this property to extract the relevant text to use as a label. Otherwise, if no text in the website title is useful as a label, specify <no value>.
: Property should also have constraint for validation and extraction tools (e.g. for formatter pattern ^https?://example\.com/(\w+) constraint may have an extra sanity check for length, \w{1,30})