query: #title: Check format
  # Complex constraint from [[Property talk:P2364]]
  # (suggestion)
  SELECT ?item ?value ?serie {
  	?item wdt:P2364 ?value.
      ?item wdt:P179 ?serie.
      FILTER NOT EXISTS { ?item wdt:P179 wd:Q23043159 } # complex
      FILTER NOT EXISTS { ?item wdt:P179 wd:Q23043149 } # O M G
      FILTER(REGEX( STR( ?value ), "^(BFPDWLS