func github.com/prometheus/common/expfmt.isValidLabelNameContinuation

3 uses

	github.com/prometheus/common/expfmt (current package)
		text_parse.go#L620: 		if p.err != nil || !isValidLabelNameContinuation(p.currentByte) {
		text_parse.go#L707: func isValidLabelNameContinuation(b byte) bool {
		text_parse.go#L716: 	return isValidLabelNameContinuation(b) || b == ':'