this post was submitted on 15 Nov 2023
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Programmer Humor

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submitted 10 months ago by mac to c/programmer_humor
 
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[–] [email protected] 27 points 10 months ago* (last edited 10 months ago) (2 children)

ipv4 [0,255].[0,255].[0,255].[0,255]

ipv6 [0000,ffff]:[0000,ffff]:[0000,ffff]:[0000,ffff]:[0000,ffff]:[0000,ffff]:[0000,ffff]:[0000,ffff]

[–] [email protected] 15 points 10 months ago* (last edited 10 months ago) (1 children)

This excludes all the ipv4 ips that have a 0 in the 2nd, 3rd, and 4th octets. Sorry but we're going to have to revoke your Network Engineering credentials.

[–] [email protected] 3 points 10 months ago
[–] [email protected] 10 points 10 months ago (2 children)

Not to nitpick, but an IPv6 address is represented as eight groups of four hexadecimal digits separated by :. Like 2001:0db8:3333:4444:5555:6666:7777:8888.

[–] [email protected] 4 points 10 months ago

Omg, that's twice now I've messed it up. Fixed.

[–] [email protected] 1 points 10 months ago

I'll leave the regex to validate an ipv6 address as an exercise to the reader.