1 // <summary>
2 /// 提取字符串中的数字字符串
3 /// </summary>
4 /// <param name="str"></param>
5 /// <returns></returns>
6 public static bool IsNumber(String str)
7 {
8 bool result = false;
9 for (int i = 0; i < str.Length; i++)
10 {
11 if (Char.IsNumber(str, i))
12 {
13 result = false;
14 }
15 else
16 {
17 result = true;
18 }
19 }
20 return result;
21 }
22
23 /// <summary>
24 /// 判断是否是数字还是自负串
25 /// </summary>
26 /// <param name="str"></param>
27 /// <returns></returns>
28 private bool IsNumeric(string str)
29 {
30
31 foreach (char c in str)
32 {
33 if (!Char.IsNumber(c))
34 {
35 return false;
36 }
37 }
38 return true;
39 }
40
41 收藏于 2010-09-16
