##! Please refer to the documentation at
##! https://coreruleset.org/docs/development/regex_assembly/.

##! POP3 Commands - PL2

##!+ is
##!^ \r\n.*?\b

##! POP3 Commands - with args
LIST(?: \d+)?
USER .+?
PASS .+?
RETR \d+?
DELE \d+?
UIDL(?: \d+)?
APOP [\w]+ [a-f0-9]{32}
TOP \d+(?: \d+)?
AUTH [a-z0-9-_]{1,20} (?:=|(?:[\w+/]{4})*(?:[\w+/]{2}==|[\w+/]{3}=))