update regex of pid field for conformance to RFC5424 spec #2051
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Signed-off-by: Matthew Dalley <[email protected]>
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Merged. Thanks! Next, please update commits with |
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Per RFC5424, the field for PROCID is either a NILVALUE (-) or ASCII field from 1 to 128 characters.
https://tools.ietf.org/html/rfc5424#section-6
Valid RFC5424 formatted log using alphanumeric PROCID(PID) value of 'proc1':
<16>1 2013-02-28T12:00:00.003Z 192.168.0.1 fluentd proc1 ID24224 [exampleSDID@20224 iut="3" eventSource="Application" eventID="11211"] Hi, from Fluentd!
The regex in this PR commit will properly match the example above.
Replacing PR #2049