Allow single-letter components in metric names

They are valid. Fixes #256. Signed-off-by: Matthias Rampke <[email protected]>
prometheus · May 29, 2020 · 1f35afd · 1f35afd
1 parent bd5e04d
commit 1f35afd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/mapper/mapper.go b/pkg/mapper/mapper.go
@@ -27,7 +27,7 @@ import (
 )
 
 var (
-	statsdMetricRE    = `[a-zA-Z_](-?[a-zA-Z0-9_])+`
+	statsdMetricRE    = `[a-zA-Z_](-?[a-zA-Z0-9_])*`
 	templateReplaceRE = `(\$\{?\d+\}?)`
 
 	metricLineRE = regexp.MustCompile(`^(\*\.|` + statsdMetricRE + `\.)+(\*|` + statsdMetricRE + `)$`)