diff options
Diffstat (limited to 'lib/ipaddr.rb')
| -rw-r--r-- | lib/ipaddr.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/ipaddr.rb b/lib/ipaddr.rb index 226a996021..9f6e6b8d38 100644 --- a/lib/ipaddr.rb +++ b/lib/ipaddr.rb @@ -23,6 +23,7 @@ unless Socket.const_defined? "AF_INET6" end class << IPSocket + # Returns +true+ if +addr+ is a valid IPv4 address. def valid_v4?(addr) if /\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\Z/ =~ addr return $~.captures.all? {|i| i.to_i < 256} @@ -30,6 +31,7 @@ unless Socket.const_defined? "AF_INET6" return false end + # Returns +true+ if +addr+ is a valid IPv6 address. def valid_v6?(addr) # IPv6 (normal) return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*\Z/ =~ addr @@ -43,6 +45,7 @@ unless Socket.const_defined? "AF_INET6" false end + # Returns +true+ if +addr+ is either a valid IPv4 or IPv6 address. def valid?(addr) valid_v4?(addr) || valid_v6?(addr) end |