text: 
      var escape = function(text) {
        return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
      };
  
      function itemMatches(text, fieldLabel, item) {
        /**
         * Computes item matches depending on the chosen item analysis options
         *
         * @param {string} text Input text
         * @param {string} fieldLabel Name of the field
         * @param {string} item Item to compare
         */
  
        var options = ITEM_ANALYSIS[fieldLabel];
        var separator = options.separator;
        var regexp = options.separator_regexp;
        if (typeof(regexp) === 'undefined') {
          if (typeof(separator) === 'undefined') {
            separator = " ";
          }
          regexp = escape(separator);
        }
  
        var pattern = new RegExp(regexp, 'g');
        var inputs = text.split(pattern);
        var counter = 0;
        for (var index = 0; index < inputs.length; index++) {
          if (inputs[index] == item) {
            counter++;
            break;
          }
        }
        return counter;
      };
  
  
      // predict body
  