Windows form textbox numbers only

private void textBox1_TextChanged(object sender, EventArgs e)
{
    if (System.Text.RegularExpressions.Regex.IsMatch(textBox1.Text, "[^0-9]"))
    {
        MessageBox.Show("Please enter only numbers.");
        textBox1.Text = textBox1.Text.Remove(textBox1.Text.Length - 1);
    }
}

Windows form textbox only allow numbers

private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
    {
        e.Handled = !char.IsDigit(e.KeyChar) && !char.IsControl(e.KeyChar);
    }

Similar codes

1 vote199 views1 answer
Unity 2d player move
C#Unity
6 votes168 views2 answers
Sum of two numbers in c#
C#
21 votes172 views2 answers
Unity yield return
C#Unity
0 vote131 views2 answers
C# read large file
C#
2 votes93 views1 answer
C# getasynckeystate mouse
C#
1 vote139 views1 answer
HCF of list of number
C#
0 vote126 views1 answer
Entity framework delete record with foreign key constraint
C#
0 vote129 views1 answer
Timer unity
C#
1 vote127 views1 answer
Remove end character of string c#
C#
5 votes131 views1 answer
Letter at index of string c#
C#