## Not run:
#
# file_path <- system.file("extdata", "silva_nr99.fasta", package = "metacoder")
# sequences <- ape::read.FASTA(file_path)
# silva_ex_data <- extract_taxonomy(sequences,
# regex = "^(.*?) (.*)$",
# key = c(id = "obs_info", "class"),
# class_sep = ";")
# ## End(Not run)
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