[syslog-ng] Rewrite regex not working entirely

[Evan Rempel]

You have defined your regular expresion as "posix" which does not have the \d \s etc.
If you change the type to "pcre" then it should work for you.


On 1/15/19 2:01 PM, N. Max Pierson wrote:
> Hi List,
>
> I am using version 3.5 and it seems as though regex (posix or pcre) doesn't work completely. Take the example string below (which is the message part of the syslog).
>
> Jan 15 15:50:57 CST: %DAEMON-3-SYSTEM_MSG: NTP Receive dropping message: Received NTP control mode packet. Drop count:147972  - ntpd[15029]
>
> I am trying to match the date at the beginning of the message and remove it. When I use \w, \s, \d, etc, they do not match anything. If I match on a character classes it works fine (ex [a-z]+ or [0-9]+).
>
> Here is my statement for the rewrite rule.
>
> rewrite r_nexus{ subst("^[a-z]+ [0-9]+ [0-9]+:[0-9]+:[0-9]+ [a-z]+: ", "", value("MESSAGE"), type("posix"), flags("ignore-case"), condition(filter(f_nexus))); };
>
> The above seems to get me what I want but are the character matches not supposed to work in syslog-ng version 3.5??
>
> Regards,
> Max
>

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