Let's say I got a list of user:pass combos.
Is it possible to filter out to only have for example lines with a max of 5char usernames.
Example:
Combo:
acc1:pass1
account:pass2
use:pass3
user:pass4
After filtering to only have lines with max 4char usernames:
acc1:pass1
use:pass3
user:pass4
Is this possible? if so, how?