While it's almost the exact opposite of [0-9]{4,6}, it's extremely annoying too.
This is fairly secure for usual website password, but the requirements would throw this away:
$ openssl rand -base64 9
TjB3tbYOo1wz
Okay, it's fine when you generate a random password for each site (then store it somewhere), but if you're generating password from some one-side function from a site URI, then you have a problem.
While it's almost the exact opposite of [0-9]{4,6}, it's extremely annoying too.
This is fairly secure for usual website password, but the requirements would throw this away:
Okay, it's fine when you generate a random password for each site (then store it somewhere), but if you're generating password from some one-side function from a site URI, then you have a problem.