7. Appendix 1
List of supported Grok patterns.
| Pattern Name | Pattern |
|---|---|
| USERNAME | [a-zA-Z0-9._-]+ |
| USER | %{USERNAME} |
| EMAILLOCALPART | [a-zA-Z][a-zA-Z0-9_.+-=:]+ |
| EMAILADDRESS | %{EMAILLOCALPART}@%{HOSTNAME} |
| INT | (?:[+-]?(?:[0-9]+)) |
| BASE10NUM | (?<![0-9.+-])(?>[+-]?(?:(?:[0-9]+(?:\.[0-9]+)?)|(?:\.[0-9]+))) |
| NUMBER | (?:%{BASE10NUM}) |
| BASE16NUM | (?<![0-9A-Fa-f])(?:[+-]?(?:0x)?(?:[0-9A-Fa-f]+)) |
| BASE16FLOAT | \b(?<![0-9A-Fa-f.])(?:[+-]?(?:0x)?(?:(?:[0-9A-Fa-f]+(?:\.[0-9A-Fa-f]*)?)|(?:\.[0-9A-Fa-f]+)))\b |
| BASE64STR | ^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$ |
| POSINT | \b(?:[1-9][0-9]*)\b |
| NONNEGINT | \b(?:[0-9]+)\b |
| WORD | \b\w+\b |
| NOTSPACE | \S+ |
| SPACE | \s* |
| DATA | .*? |
| GREEDYDATA | .* |
| QUOTEDSTRING | (?:(?<!\\)(?:"(?:\\.|[^\\"])+"|"")|(?>'(?:\\.|[^\\']+)+')|(?>\[^`'\]+`) ~ ))` |
| UUID | [A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}-){3}[A-Fa-f0-9]{12} |
| URN | urn:[0-9A-Za-z][0-9A-Za-z-]{0,31}:(?:%[0-9a-fA-F]{2}|[0-9A-Za-z])[+,\-.:=@;$_!*'/?#]+ |
| MAC | (?:%{CISCOMAC}|%{WINDOWSMAC}|%{COMMONMAC}) |
| CISCOMAC | (?:(?:[A-Fa-f0-9]{4}\.){2}[A-Fa-f0-9]{4}) |
| WINDOWSMAC | (?:(?:[A-Fa-f0-9]{2}-){5}[A-Fa-f0-9]{2}) |
| COMMONMAC | (?:(?:[A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}) |
| IPV6 | ((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}((:[0-9A-Fa-f]{1,4}){1,2}|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)? |
| IPV4 | (?<![0-9])(?:(?:[0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])[.](?:[0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])[.](?:[0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])[.](?:[0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5]))(?![0-9]) |
| IP | (?:%{IPV6}|%{IPV4}) |
| HOSTNAME | \b(?:[0-9A-Za-z][0-9A-Za-z-]{0,62})(?:\.(?:[0-9A-Za-z][0-9A-Za-z-]{0,62}))*(?:\.?)\b |
| IPORHOST | (?:%{IP}|%{HOSTNAME}) |
| HOSTPORT | %{IPORHOST}:%{POSINT} |
| PATH | (?:%{UNIXPATH}|%{WINPATH}) |
| UNIXPATH | (/([\w_%!$@:.,+~-]+|\\.)*) |
| TTY | (?:/dev/(pts|tty([pq])?)(\w+)?/?(?:[0-9]+)) |
| WINPATH | (?>[A-Za-z]+:|\\)(?:\\[^\\?*]*)+ |
| URIPROTO | [A-Za-z][A-Za-z0-9+\-.]+: |
| URIHOST | %{IPORHOST}(?::%{POSINT:port})? |
| URIPATH | (?:/[A-Za-z0-9$.+!*'(){},~:;=@#%&_\-]*)+ |
| URIPARAM | \?[A-Za-z0-9$.+!*'|(){},~@#%&/=:;_?\-\[\]<>]* |
| URIPATHPARAM | %{URIPATH}(?:%{URIPARAM})? |
| URI | %{URIPROTO}://(?:%{USER}(?::[^@]*)?@)?(?:%{URIHOST})?(?:%{URIPATHPARAM})? |
| MONTH | \b(?:[Jj]an(?:uary|uar)?|[Ff]eb(?:ruary|ruar)?|[Mm](?:a|ä)?r(?:ch|z)?|[Aa]pr(?:il)?|[Mm]a(?:y|i)|[Jj]un(?:e|i)?|[Jj]ul(?:y)?|[Aa]ug(?:ust)?|[Ss]ep(?:tember)?|[Oo](?:c|k)?t(?:ober)?|[Nn]ov(?:ember)?|[Dd]e(?:c|z)(?:ember)?)\b |
| MONTHNUM | (?:0?[1-9]|1[0-2]) |
| MONTHNUM2 | (?:0[1-9]|1[0-2]) |
| MONTHDAY | (?:(?:0[1-9])|(?:[12][0-9])|(?:3[01])|[1-9]) |
| DAY | (?:Mon(?:day)?|Tue(?:sday)?|Wed(?:nesday)?|Thu(?:rsday)?|Fri(?:day)?|Sat(?:urday)?|Sun(?:day)?) |
| YEAR | (?>\d{1,2}) |
| HOUR | (?:2[0123]|[01]?[0-9]) |
| MINUTE | (?:[0-5][0-9]) |
| SECOND | (?:(?:[0-5]?[0-9]|60)(?:[:.,][0-9]+)?) |
| TIME | (?:[^0-9]?)%{HOUR}:%{MINUTE}(?::%{SECOND})(?:[^0-9]?) |
| DATE_US | %{MONTHNUM}[/-]%{MONTHDAY}[/-]%{YEAR} |
| DATE_EU | %{MONTHDAY}[./-]%{MONTHNUM}[./-]%{YEAR} |
| ISO8601_TIMEZONE | (?:Z|[+-]%{HOUR}(?::?%{MINUTE})) |
| ISO8601_SECOND | (?:%{SECOND}|60) |
| TIMESTAMP_ISO8601 | %{YEAR}-%{MONTHNUM}-%{MONTHDAY}[T ]%{HOUR}:?%{MINUTE}(?::?%{SECOND})?%{ISO8601_TIMEZONE}? |
| DATE | %{DATE_US}|%{DATE_EU} |
| DATESTAMP | %{DATE}[- ]%{TIME} |
| TZ | (?:[PMCE][SD]T|UTC) |
| DATESTAMP_RFC822 | %{DAY} %{MONTH} %{MONTHDAY} %{YEAR} %{TIME} %{TZ} |
| DATESTAMP_RFC2822 | %{DAY}, %{MONTHDAY} %{MONTH} %{YEAR} %{TIME} %{ISO8601_TIMEZONE} |
| DATESTAMP_OTHER | %{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{TZ} %{YEAR} |
| DATESTAMP_EVENTLOG | %{YEAR}%{MONTHNUM2}%{MONTHDAY}%{HOUR}%{MINUTE}%{SECOND} |
| SYSLOGTIMESTAMP | %{MONTH} +%{MONTHDAY} %{TIME} |
| PROG | [\x21-\x5a\x5c\x5e-\x7e]+ |
| SYSLOGPROG | %{PROG:program}(?:\[%{POSINT:pid}\])? |
| SYSLOGHOST | %{IPORHOST} |
| SYSLOGFACILITY | <%{NONNEGINT:facility}.%{NONNEGINT:priority}> |
| HTTPDATE | %{MONTHDAY}/%{MONTH}/%{YEAR}:%{TIME} %{INT} |
| QS | %{QUOTEDSTRING} |
| SYSLOGBASE | %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{SYSLOGPROG}: |
| LOGLEVEL | ([Aa]lert|ALERT|[Tt]race|TRACE|[Dd]ebug|DEBUG|[Nn]otice|NOTICE|[Ii]nfo|INFO|[Ww]arn(?:ing)?|WARN(?:ING)?|[Ee]rr(?:or)?|ERR(?:OR)?|[Cc]rit(?:ical)?|CRIT(?:ICAL)?|[Ff]atal|FATAL|[Ss]evere|SEVERE|EMERG(?:ENCY)?|[Ee]merg(?:ency)?) |