using?System;
using?System.Collections.Generic;

using?System.Text;
using?System.Text.Regularexpressions;

namespace?FFS.BLL
{
????public?class?DataValidater
????{
????????public?static??DataValidater?Instance?=?new?DataValidater（）;

????????#region?驗證字符是否指定范圍之間
????????///?

????????///?驗證字符是否指定范圍之間
????????///?

????????///?源字數字字符串
????????///?開始數字
????????///?結束數字
????????///?
????????public?bool?IsRangeString（string?strIn?string?begin?string?end）
????????{
????????????return?Regex.IsMatch（strIn?@“^{“?+?begin?+?““?+?end?+?“}$“）;
????????}
????????#endregion

????????#region?驗證是否為小數
????????///?

????????///?驗證是否為小數
????????///?