Function isValidLabelNameContinuation

expfmt/text_parse.go:950–952

(b byte, quoted bool)

}

func isValidLabelNameContinuation(b byte, quoted bool) bool {
	return isValidLabelNameStart(b) || (b >= '0' && b <= '9') || (quoted && utf8.ValidString(string(b)))
}

func isValidMetricNameStart(b byte) bool {
	return isValidLabelNameStart(b) || b == ':'