This function checks only the format of the IDs, no guarantee that these IDs exist in UniProt.
Value
Logical: true if all elements in the input (except NAs) looks like valid UniProt IDs. If the input is not a character vector, `FALSE` is returned.
Examples
is_uniprot(all_uniprot_acs())
# [1] TRUE
is_uniprot("P00533")
# [1] TRUE
is_uniprot("pizza")
# [1] FALSE