Prepare For Output--Strip non-numbers

String [] variables = {"BUILDING_YEARBUILT", "BUILDING_YEARRENOVATED", "BUILDING_TOTAL_SF", "BUILDING_STORIES", "BUILDING_ELEVATORS", "LISTING_MAX_SF", "LISTING_MIN_SF"};

i = 0;

// Iterate through each variable in the array above
while (i < variables.length){

    //Get the variables to be fixed
    value = session.getVariable(variables[i]);

    //Log the UNFIXED values
    session.log("UNFIXED: " + variables[i] + " = " + value);

    if(value != null){
        //Remove non-numerical elements from number
        value = value.replaceAll("\\D","");

        // Set variables with new values
        dataRecord.put(variables[i], value);
        session.setVariable(variables[i], value);

        //Log the FIXED values
        session.log("FIXED " + variables[i] + " = " + session.getVariable(variables[i]));
        }
    i++;
}