checks for ie 11 user agent

javascript regex ftp directory list

restricts passwords to 8+ characters

general purpose HTTP URL regex

Apache Web server log file format following the standard

allows for all legal IPv4 addresses

Validates IPv4 IP Address

Matches email with groups for username and domain.

I've looked at some of the other IP matching that seems a lot more complex but several of them don't work, and I'm too simple minded to figure out why. Keep it simple, I've never had a problem matching IP addresses in logs with this one.

Validates input to match UK Date Time standard