I have an sftp folder that gets a CSV daily, with random integer in the file name. 

The file name has date, but after that is random.

The Expression Builder is impossible for me to figure out in the "Data Flow" for CSV Import. I think it's not possible. 

I want to use the regular "Import" integration anyway. 

Please support wildcards or regex. I can't use this tool now. 

Invoice_yyyyMMdd??????.csv would be the format I need.