Check if an argument is an IPv6 address string

Validates full, compressed (::) and IPv4-embedded (::ffff:192.168.1.1) forms. Zone IDs (e.g. %eth0) are not supported.

Usage

is_ipv6(x)

Arguments

x

(any)
Object to check.

Value

TRUE if x is a valid IPv6 address string, FALSE otherwise.

Examples

is_ipv6("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
#> [1] TRUE
is_ipv6("::1")
#> [1] TRUE