1 /// <summary> 2 /// 提取字符串中的數(shù)字字符串 3 /// </summary> 4 /// <param name="str"></param> 5 /// <returns></returns> 6 public static string IsNumber(String str) 7 { 8 string returnStr = string.Empty; 9 for (int i = 0; i < str.Length; i++) 10 { 11 if (Char.IsNumber(str, i) == true) 12 { 13 returnStr += str.Substring(i, 1); 14 } 15 else 16 { 17 if (str.Substring(i, 1) == "A" || str.Substring(i, 1) == " ") 18 { 19 returnStr += str.Substring(i, 1); 20 } 21 } 22 23 } 24 return returnStr; 25 }
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