## Not run:
#
# file_path <- system.file("extdata", "ncbi_basidiomycetes.fasta", package = "metacoder")
# sequences <- ape::read.FASTA(file_path)
# genbank_ex_data <- extract_taxonomy(sequences,
# regex = "^.*\\|(.*)\\|.*\\|(.*)\\|(.*)$",
# key = c(gi_no = "obs_info", "obs_id", desc = "obs_info"),
# database = "ncbi")
# ## End(Not run)
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