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

0 vote162 views1 answer
How to skip bin/Debug/netcoreapp3.1/ on the reltaive path
C#
0 vote140 views1 answer
Create cursor in NETEZZA
C#
2 votes186 views1 answer
Random.range unity not working
C#Unity
17 votes167 views6 answers
Character array to string
C#
0 vote181 views2 answers
C# list double min max
C#
0 vote141 views1 answer
Validate base64 string c#
C#
0 vote176 views1 answer
Cmd move directory to another directory
C#
2 votes143 views1 answer
C# display attribute date
C#
1 vote160 views1 answer
C# unity follow object
C#
0 vote152 views1 answer
How to chceck for a tag in a trigger enter 2d unity
C#