Method: ActiveSupportMethods#underscore

Defined in:
lib/core_ext/string.rb

#underscore ⇒ Object

Source github.com/rails/rails/blob/b600bf2cd728c90d50cc34456c944b2dfefe8c8d/activesupport/lib/active_support/inflector.rb



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# File 'lib/core_ext/string.rb', line 10

def underscore
  gsub(/::/, '/').
    gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
    gsub(/([a-z\d])([A-Z])/,'\1_\2').
    tr("-", "_").
    downcase
end