arpa.rb in whois-5.0.1

- old
+ new

@@ -1,11 +1,11 @@
 #--
 # Ruby Whois
 #
 # An intelligent pure Ruby WHOIS client and parser.
 #
-# Copyright (c) 2009-2019 Simone Carletti <weppos@weppos.net>
+# Copyright (c) 2009-2020 Simone Carletti <weppos@weppos.net>
 #++
 
 
 module Whois
   class Server
@@ -26,10 +26,10 @@
           # "1.168.192.in-addr.arpa" => "192.168.1.0"
           # "168.192.in-addr.arpa" => "192.168.0.0"
           # "192.in-addr.arpa" => "192.0.0.0"
           # "in-addr.arpa" => "0.0.0.0"
           def inaddr_to_ip(string)
-            unless /^([0-9]{1,3}\.?){0,4}in-addr\.arpa$/ =~ string
+            unless string.match?(/^([0-9]{1,3}\.?){0,4}in-addr\.arpa$/)
               raise ServerError, "Invalid .in-addr.arpa address"
             end
              a, b, c, d = string.scan(/[0-9]{1,3}\./).reverse
             [a, b, c, d].map do |token|
               token = (token ||= 0).to_i