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#
# is_domain_name.rb
#
module Puppet::Parser::Functions
newfunction(:is_domain_name, :type => :rvalue, :doc => <<-EOS
Returns true if the string passed to this function is a valid IP address. Support for IPv4 and IPv6 address types is included.
EOS
) do |arguments|
if (arguments.size != 1) then
raise(Puppet::ParseError, "is_domain_name(): Wrong number of arguments "+
"given #{arguments.size} for 1")
end
domain = arguments[0]
if domain =~ /^(([a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])\.?$/ then
return true
else
return false
end
end
end
# vim: set ts=2 sw=2 et :
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