I have a Replace Text processer and I need to change the part of the file content,

Let me give a example, these lines belongs the file that will be processed ;

030   111111 22222  333333                                                           22  CCC                                                  142412414                                           2222                                                                                                                                                                                                                                                                                                    11111                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       NA    
 001   2222222 333333  444444                                                                11  22222                                            1111111                                           2222               0                                                                                                                                                                                                                                                                                     FFFF     CCC                                     4121T                                                                                                                                                                                                                                                                                                                                                                                                                                                                966

and as you can see there are two lines – the part that I need to change is last indexes of lines, If the ‘NA’ appears in last indexes replace with empty space ''

I tried with these positons but none of them worked – they deleted the indexes which are not ‘NA’ ;

SSS,$25,$3,$6,$8,0,$1,$13,,$15,,,$2,$4,$7,$10,$5,${'$12':equals('NA'):ifElse('', ${'$12'})} ,$20,$21,,,,

SSS,$25,$3,$6,$8,0,$1,$13,,$15,,,$2,$4,$7,$10,$5,${'$12'.replaceAll('NA', '')},$20,$21,,,,

$12 group is represents the last indexes.

Thanks in advance