мой код берет все от ПОСЛЕ "адреса:" ДО и ВКЛЮЧАЯ 6 цифр (ZIP)
strsplit(Text,"Name(\\s+)?:")[[1]][-1] %>% list %>% lapply(function(x)gsub(x=x,pattern="[\\s\\S]*?Address\\s+:([\\s\\S]*?\\d{6})[\\s\\S]*?$",replacement="\\1",perl=T)) %>%
lapply(function(x)gsub(x=x,pattern="\\r|\\n",replacement="",perl=T)) %>% lapply(function(x)trimws(gsub(x=x,pattern="\\s+",replacement=" ",perl=T)))
результат:
[[1]]
[1] "39/4B GOPALNAGAR ROAD ALIPORE KOLKATA,WEST BENGAL 700027"
[2] "90A RAJ SEKHAR BOSE SARANI, FLAT NO.1D, 1ST FLOOR KOLKATA,WEST BENGAL INDIA - 700025"