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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2008-11-11 12:00:11 +0100 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2008-11-11 12:00:11 +0100 |
| commit | 4cfbf894fd0caebaf65e1b7ffcb5725a530cf67d (patch) | |
| tree | b92ab2dbac3bbec2f007e97a35d7efb374733563 /doc/property_replacer.html | |
| parent | b104759ad671a1ae92f2768de02f1dbbe5f4cb12 (diff) | |
| download | rsyslog-4cfbf894fd0caebaf65e1b7ffcb5725a530cf67d.tar.gz rsyslog-4cfbf894fd0caebaf65e1b7ffcb5725a530cf67d.tar.xz rsyslog-4cfbf894fd0caebaf65e1b7ffcb5725a530cf67d.zip | |
enhance: regex nomatch option "ZERO" has been added
This allows to return the string 0 if a regular expression is
not found. This is probably useful for storing numerical values into
database columns.
Diffstat (limited to 'doc/property_replacer.html')
| -rw-r--r-- | doc/property_replacer.html | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/property_replacer.html b/doc/property_replacer.html index 0b4f1a01..2748dc89 100644 --- a/doc/property_replacer.html +++ b/doc/property_replacer.html @@ -219,10 +219,11 @@ that the first match is number 0, the second 1 and so on. Up to 10 matches (up to number 9) are supported. Please note that it would be more natural to have the match-number in front of submatch, but this would break backward-compatibility. So the match-number must be specified after "nomatch". -<p>nomatch is either "DFLT", "BLANK" or "FIELD" (all upper case!). It tells +<p>nomatch is either "DFLT", "BLANK", ZERO or "FIELD" (all upper case!). It tells what to use if no match is found. With "DFLT", the strig "**NO MATCH**" is used. This was the only supported value up to rsyslog 3.19.5. With "BLANK" -a blank text is used (""). Finally, "FIELD" uses the full property text +a blank text is used (""). With "ZERO", "0" is used. +Finally, "FIELD" uses the full property text instead of the expression. Some folks have requested that, so it seems to be useful. <p>The following is a sample of an ERE expression that takes the first |