^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: (\+|-) (pts/[0-9]{1,2}|tty[0-9]) [_[:alnum:]-]+:[_[:alnum:]-]+$ ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: \(pam_[[:alnum:]]+\) session opened for user [[:alnum:]-]+ by ([[:alnum:]-]+)?\(uid=[0-9]+\)$ ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: \(pam_[[:alnum:]]+\) session closed for user [[:alnum:]-]+$ ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: pam_[[:alnum:]]+\(su:session\): session opened for user [[:alnum:]-]+ by ([[:alnum:]-]+)?\(uid=[0-9]+\)$ ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: pam_[[:alnum:]]+\(su:session\): session closed for user [[:alnum:]-]+$ ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: \+ \?\?\? root:[_[:alnum:]-]+$ ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: Successful su for [[:alnum:]-]+ by [[:alnum:]-]+$ ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ su\[[0-9]+\]: pam_authenticate: Authentication failure$