lib/regexp-examples/backreferences.rb in regexp-examples-0.6.0 vs lib/regexp-examples/backreferences.rb in regexp-examples-0.7.0

@@ -1,15 +1,17 @@
 module RegexpExamples
   class BackReferenceReplacer
+    BackrefNotFound = Class.new(StandardError)
+
     def substitute_backreferences(full_examples)
       full_examples.map do |full_example|
         begin
           while full_example.match(/__(\w+?)__/)
             full_example.sub!(/__(\w+?)__/, find_backref_for(full_example, $1))
           end
           full_example
-        rescue RegexpExamples::BackrefNotFound
+        rescue BackrefNotFound
           # For instance, one "full example" from /(a|(b)) \2/: "a __2__"
           # should be rejected because the backref (\2) does not exist
           nil
         end
       end.compact
@@ -25,10 +27,10 @@
     def octal_char_for(octal_chars)
       # For octal characters in the range \10 - \177
       if octal_chars =~ /\A[01]?[0-7]{1,2}\z/ && octal_chars.to_i >= 10
         Integer(octal_chars, 8).chr
       else
-        raise(RegexpExamples::BackrefNotFound)
+        raise(BackrefNotFound)
       end
     end
 
   end