Hi all,
Can someone familiar with re_extract point out what I'm doing wrong?
I have this message:
Server bk_postfix/relay5 is UP/READY (leaving forced maintenance).
that I'm attempting to match on like so:
set $.relayserver = re_extract($msg,
"Server bk_postfix\\/([0-9A-Za-z]+)",
0, 1,
'unknown relay server');
According to a StackOverflow answer, the double-backslash is needed to
escape the escape character. Without the double-backslash I get "invalid
character" and "syntax error on token" errors from rsyslogd.
I've tried all combinations (match, submatch) that I'm aware of:
0, 0
0, 1
1, 0
1, 1
I'm getting back the string "unknown relay server" each time instead of
"relay5" as expected.
Without the double backslash the "Regular Expression Checker/Generator"
page gives me the results that I'm expecting with "Submatch to Use" of 1.
Thanks in advance for your help.
Rsyslog version is v8.33.0.4893d0a01391 (nightly)
refs:
* https://stackoverflow.com/a/32660580
* http://www.rsyslog.com/regex/
* http://www.rsyslog.com/doc/v8-stable/rainerscript/functions.html
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