Something like this might work:
my $section = 'section1'; # or whichever you're looking in.
my $key = 'key2'; # ditto

while (<FH>) {
  for (/$section/ ... /section/) {
    print $1 if /$key: (\w+)/;
  }
}

[download]
Totally untested. Slightly tested, and I had to change it to the ... range operator and not the .. range operator. (probably wasting my time, though)

In reply to Re: Stuck with RegEx by Jasper
in thread Stuck with RegEx (Parsing whois output) by marsch

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