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private void timer1_Tick(object sender, EventArgs e)
{
textBox1.Text = "";
string pattern = @"[\d]{2}\.[\d]{2}"; // ³W«h¦r¦ê
string pattern1 = @"[\d]{1}\.[\d]{2}";
string input = File.ReadAllText(textBox2.Text);
double dul = 0;

Regex regex = new Regex(pattern, RegexOptions.IgnoreCase); // «Å§i Regex ©¿²¤¤j¤p¼g
MatchCollection matches = regex.Matches(input);// ±N¤ñ¹ï«á¶°¦X¶Çµ¹ MatchCollection

if (matches.Count > 0)
{
foreach (Match match in matches) // ¤@¤@¨ú¥X MatchCollection ¤º®e
{

dul = Convert.ToDouble(match.Value);
textBox1.Text = textBox1.Text + "\t" + dul.ToString();
}
}

}

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