Is it a SHA-256 digest?

Is it a SHA-256 digest?

Usage

is_sha256(x)

Arguments

x

A character vector.

Value

Logical vector; TRUE for a 64-character hex string.

See also

Other hash detectors: is_guid(), is_md5(), is_sha1()

Examples

is_sha256(c(paste(rep("a", 64), collapse = ""), NA))
#> [1] TRUE   NA