module ActionView::Helpers::NumberHelper

def number_to_currency(number, options = {})


number_to_currency("12x34", raise: true) # => InvalidNumberError
number_to_currency("12x34") # => "$12x34"

InvalidNumberError to be raised if +number+ is not a valid number:
Additionally, supports a +:raise+ option that will cause

Delegates to ActiveSupport::NumberHelper#number_to_currency. 
def number_to_currency(number, options = {})
  delegate_number_helper_method(:number_to_currency, number, options)
end