Instant vector selectors regular expressions bug

[zhangjianweibj]

version:2.2.1

Instant vector selectors regular expressions use '{name=~".+"}' get nothing

use rexpression '{name=~"c.*"}' get results.

[brian-brazil]

That's not right. Does the same happen with 2.3.2?

[zhangjianweibj]

same problem with 2.3.2.i prepare to use prometheus federate function,but get no metrics

[brian-brazil]

%2b is not the same as +, try .+.

[zhangjianweibj]

no metrics as well.....

[zhangjianweibj]

with expression '.%2b' in postman works well,but in prometheus not works neither '.+' nor '.%2b'

[brian-brazil]

+ in a URL is parsed as a space. You need to use + in your prometheus.yml.

Also, https://www.robustperception.io/federation-what-is-it-good-for

[lock]

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