/// <summary>
/// 判断输入的字符串是否是合法的IPV6 地址
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool IsIPV6(string input)
{
string pattern = "";
string temp = input;
string[] strs = temp.Split(':');
if (strs.Length > 8)
{
return(false);
}
int count = MetarnetRegex.GetStringCount(input, "::");
if (count > 1)
{
return(false);
}
else if (count == 0)
{
pattern = @"^([\da-f]{1,4}:){7}[\da-f]{1,4}$";
Regex regex = new Regex(pattern);
return(regex.IsMatch(input));
}
else
{
pattern = @"^([\da-f]{1,4}:){0,5}::([\da-f]{1,4}:){0,5}[\da-f]{1,4}$";
Regex regex1 = new Regex(pattern);
return(regex1.IsMatch(input));
}
}
private void textBox1_Leave(object sender, EventArgs e)
{
double userset;
if (MetarnetRegex.IsNumber(textBox1.Text))
{
userset = Convert.ToDouble(textBox1.Text);
textBox1.Text = userset.ToString();
yuzhi = userset;
}
else
{
textBox1.Text = null;
textBox1.Focus();
MessageBox.Show("输入网格间距");
}
}