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-rw-r--r--activesupport/lib/active_support/inflector.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 087c883b0b..281ea3f4b9 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -114,7 +114,7 @@ module Inflector
end
def underscore(camel_cased_word)
- camel_cased_word.to_s.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z])/,'\1_\2').gsub(/([a-z\d])([A-Z])/,'\1_\2').downcase
+ camel_cased_word.to_s.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').gsub(/([a-z\d])([A-Z])/,'\1_\2').downcase
end
def humanize(lower_case_and_underscored_word)