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Allow UTF-8 labels in label_replace

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This makes it consistent with label_join.

Signed-off-by: Joshua Hesketh <josh@nitrotech.org>
This commit is contained in:
Joshua Hesketh 2025-02-05 22:24:13 +11:00
parent 96f31e370b
commit e4037b3ec3
1 changed files with 1 additions and 1 deletions
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2
promql/functions.go
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@ -1612,7 +1612,7 @@ func (ev *evaluator) evalLabelReplace(ctx context.Context, args parser.Expressio
if err != nil {
panic(fmt.Errorf("invalid regular expression in label_replace(): %s", regexStr))
}
if !model.LabelNameRE.MatchString(dst) {
if !model.LabelName(dst).IsValid() {
panic(fmt.Errorf("invalid destination label name in label_replace(): %s", dst))
}