// <summary>
/// 提取字符串中的数字字符串
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsNumber(String str)
{
bool result = false;
for (int i = ; i < str.Length; i++)
{
if (Char.IsNumber(str, i))
{
result = false;
}
else
{
result = true;
}
}
return result;
} /// <summary>
/// 判断是否是数字还是自负串
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
private bool IsNumeric(string str)
{ foreach (char c in str)
{
if (!Char.IsNumber(c))
{
return false;
}
}
return true;
} 收藏于 --