 public static bool RegexValidate(string validateString)
   {
 Regex regex = new Regex("^[0-9]+(.[0-9]{0,2})?$");
//驗(yàn)證有兩位小數(shù)的正實(shí)數(shù)：^[0-9]+(.[0-9]{2})?$
//驗(yàn)證有1-3位小數(shù)的正實(shí)數(shù)：^[0-9]+(.[0-9]{1,3})?$
return regex.IsMatch(validateString.Trim());
 }
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