remove unused captures

1 files changed, 2 insertions, 2 deletions

diff --git a/activemodel/lib/active_model/attribute_methods.rb b/activemodel/lib/active_model/attribute_methods.rb
index 432f3d4302..52f270ff33 100644
--- a/activemodel/lib/active_model/attribute_methods.rb
+++ b/activemodel/lib/active_model/attribute_methods.rb
@@ -325,14 +325,14 @@ module ActiveModel
             end
 
             @prefix, @suffix = options[:prefix] || '', options[:suffix] || ''
-            @regex = /^(#{Regexp.escape(@prefix)})(.+?)(#{Regexp.escape(@suffix)})$/
+            @regex = /^(?:#{Regexp.escape(@prefix)})(.*)(?:#{Regexp.escape(@suffix)})$/
             @method_missing_target = "#{@prefix}attribute#{@suffix}"
             @method_name = "#{prefix}%s#{suffix}"
           end
 
           def match(method_name)
             if @regex =~ method_name
-              AttributeMethodMatch.new(method_missing_target, $2, method_name)
+              AttributeMethodMatch.new(method_missing_target, $1, method_name)
             else
               nil
             end