Create vehicle.rb

app/models/vehicle.rb

@@ -71,11 +71,10 @@ class Vehicle < ActiveRecord::Base
   
   # Force Upper Case for VIN numbers
   def vin=(val)
-    
-    val = val.to_s.gsub(/(?![A-HJ-NPR-Za-hj-npr-z\d])/,'')
-    
-    # The to_s is in case you get nil/non-string
-    write_attribute(:vin, val.to_s.upcase)
+    return if val.nil?
+    #strip VIN of all illegal chars (for barcode scanner)
+    val.to_s.upcase.gsub(/[^A-HJ-NPR-Za-hj-npr-z\d]+/,"")
+    write_attribute(:vin, val)
   end
   
   # search for a vin