[timeout:300][out:json]; ( node(around:1000,49.93530,6.25140)[building][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,49.93530,6.25140)[building][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,49.93530,6.25140)[building][~"^(addr:housenumber|.*name.*)$"~".",i]; node(around:1000,49.93530,6.25140)["building:levels"][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,49.93530,6.25140)["building:levels"][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,49.93530,6.25140)["building:levels"][~"^(addr:housenumber|.*name.*)$"~".",i]; ); out center tags;
found a single match candidate
building (Q41176) | building=yes, building |