1-99位数字(两位小数) /^([1-9]{1})(\d{1}(\.\d{1,2})?)$/ 0-100 (三位小数) /^(\d{1,2}(\.\d{1,3})?|100)$/
/^([1-9]{1})(\d{1}(\.\d{1,2})?)$/
/^(\d{1,2}(\.\d{1,3})?|100)$/