Check validity of ORCiD
Examples
check_orcid("0000-0002-7523-5539")
#> [1] "0000-0002-7523-5539"
check_orcid("0000-0002-0247-239X")
#> [1] "0000-0002-0247-239X"
check_orcid("https://orcid.org/0000-0002-0247-239X")
#> [1] "0000-0002-0247-239X"
check_orcid("0000-0002-0247-2394") # incorrect, return FALSE
#> Warning: The ORCiD 0000-0002-0247-2394 is not valid.