How can i blacklist words in a regular expression?

Question

I am trying to blacklist the words "unknown" and "reboot". How do i do that using regular expressions?

And i have a list of users that it matches but i want it to blacklist certain words like unknown and reboot whilst still matching names such as "15ppool" and "vici".

This is what my current expression looks like that i have tried:

 ^[a-z]+|\w{4,8}

Answer 1

Unless you have to build a regex to match your desired format, just exclude those two terms:

while(<DATA>){
    chomp;
    say unless /unknown|reboot/;
}

__DATA__
foo
15ppool
unknown
bar
vici
reboot
baz