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Clarify that {a="b",a!="c"} is possible. (#4492)

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Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
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Brian Brazil 2018-08-13 11:38:57 +01:00 committed by GitHub
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@ -95,8 +95,9 @@ For example, this selects all `http_requests_total` time series for `staging`,
http_requests_total{environment=~"staging|testing|development",method!="GET"}
Label matchers that match empty label values also select all time series that do
not have the specific label set at all. Regex-matches are fully anchored.
Label matchers that match empty label values also select all time series that
do not have the specific label set at all. Regex-matches are fully anchored. It
is possible to have multiple matchers for the same label name.
Vector selectors must either specify a name or at least one label matcher
that does not match the empty string. The following expression is illegal: