logstash/logstash — pull request #957 by vincentbernat (2014-01-20 18:16:46+00:00)
Title: Add a RFC2822 compliant date pattern

The pattern is defined in RFC2822 and differs from the one defined in
RFC822:
http://www.ietf.org/rfc/rfc2822.txt

Example:
Mon, 20 Jan 2014 18:40:18 +0100