windows textbox unique characters
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
{
var regex = new Regex(@"[^a-zA-Z0-9\s]");
if (regex.IsMatch(e.KeyChar.ToString()))
{
e.Handled = true;
}
}windows textbox unique characters
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
{
var regex = new Regex(@"[^a-zA-Z0-9\s]");
if (regex.IsMatch(e.KeyChar.ToString()))
{
e.Handled = true;
}
}Copyright © 2021 Codeinu
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