1 /// <summary> 2 /// 判断字符串是否是数字 3 /// </summary> 4 public static bool IsNumber(string s) 5 { 6 if (string.IsNullOrWhiteSpace(s)) return false; 7 const string pattern = "^[0-9]*$"; 8 Regex rx = new Regex(pattern); 9 return rx.IsMatch(s); 10 }
原文：http://www.cnblogs.com/zhang625161495/p/6216992.html