Regex in tFileList component

[param123]

Hi Team,

Can someone suggest, how to use regex expression in tFilelist component.

use case: i want to achive below...my tFilelist component must be able to identify below pattern files

1) file_501.txt

2) file_075.txt

I tried writing pattern as file_[(501)|(075)].txt, but didnt work.

[gjeremy1617088143]