get_nodes: Extract Nodes from Wikitext
In ropenscilabs/mwparser: Wikimarkup parser

get_nodes retrieves nodes of various (user-specified) types from a blob of read-in wikitext. These are returned as a list of node objects, which can be passed on to other functions to retrieve components thereof.

1 2	get_nodes(wikitext, types = c("comments", "external_links", "headings", "html", "tags", "templates", "text", "wikilinks"), recursive = TRUE)

`wikitext`	a chunk of wikitext read in with `read_wikitext`.
`types`	which type(s) of node to read in. You can pass in whichever number of supported types you want.

## Not run: 
text <- "this [[is|some]] {{wikitext}}"

parsed_text <- read_wikitext(text)

some_nodes <- get_nodes(parsed_text, types = c("wikilinks", "templates"))

## End(Not run)