Hi all,

I have a list of files starting with a 4 digit code as below,

1) MI01_xxxx_xxxxx .pdf
2) MI01_xxx.pdf
3) MI01_xxxxx.pdf
4) MI03_xxxxx_xxxx x_xxxx.pdf
5) MI04_xxxxxxx_xx xx.pdf
6) MI04_xxx_xxx_xx xxxxxxxxx.pdf
.......
.......

Is it possible for me to check if the file exist in the directory by checking on the first 4 character of the filename? Based on...