currency_utility/static/src/js/unFormatCurrency.js

(function(){
  "use strict";
    /* ---------------------------------------------------------------------
    * [unFormatAmountCurrency]
    * Description: Format currency to number.
    * Written by Robert Gauto.
    * --------------------------------------------------------------------*/
    openerp.web.unFormatCurrency = function () {
        return function(value) {
            value = value.replace(/[\.|,](\d{0,2}$)/, '?$1').split(/\?/)
            value[0] = value[0].replace(/[^0-9]/g, '')
            value = Number.parseFloat(value.join('.')) || 0
            return value
        }
    }()
})();