using System.Text.RegularExpressions;//導入命名空間(正規表達式) /// <summary> /// 判斷是否為數字 /// </summary> /// <param name="pNumber">傳入判斷的字串。</param> public static bool IsNumeric(String pNumber) { Regex NumberPattern = new Regex("[^0-9.-]"); return !NumberPattern.IsMatch(pNumber); }