nobu	2017-04-07 22:26:12 +0900 (Fri, 07 Apr 2017)

  New Revision: 58271

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58271

  Log:
    Use \A and \z to match whole string

  Modified files:
    trunk/lib/drb/acl.rb
Index: lib/drb/acl.rb
===================================================================
--- lib/drb/acl.rb	(revision 58270)
+++ lib/drb/acl.rb	(revision 58271)
@@ -82,8 +82,7 @@ class ACL https://github.com/ruby/ruby/blob/trunk/lib/drb/acl.rb#L82
     # Creates a Regexp to match an address.
 
     def dot_pat(str)
-      exp = "^" + dot_pat_str(str) + "$"
-      Regexp.new(exp)
+      /\A#{dot_pat_str(str)}\z/
     end
 
     public

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