Need to replace alphanumeric codes with numeric codes as given by finance team

Summary:

Our Finance team is expecting to get numeric codes instead of alpha numeric codes for GL COA Location in payroll costing report.To acheive this ,we are planning to do a customization in rtf template .xdoxslt logic was handled to populate all segments . Please find below the seeded code

<?for-each:*[starts-with(name(),'SG')]?><?xdoxslt:set_variable($_XDOCTX, name(),text())?><?end for-each?>

<?for-each@cell:xdoxslt:foreach_number($_XDOCTX,1,xdoxslt:get_variable($_XDOCTX,’count’),1)?>

  <?xdoxslt:get_variable($_XDOCTX,xdoxslt:get_variable($_XDOCTX,text()))?>

<?end for-each?>

Attached Costing Segment data in document.We need to replace NBC with 1141 numeric code. Is there a way to achieve this scenario in template?