c#判读字符串是否为数值型IsNumber

/// <summary> /// 判读字符串是否为数值型。可以代正负号(+-) ikmb@163.com /// </summary> /// <param name="strNumber">字符串</param> /// <returns>是否</returns> public static bool IsNumber(string strNumber) { System.Text.RegularExpressions.Regex r = new System.Text.RegularExpressions.Regex(@"^[+-]?/d+(/.)?/d*$"); return r.IsMatch(strNumber); }