Validate Mobile and Aadhar number using Regular Expression in Windows Application

Last Reply one year ago By dharmendr

Posted one year ago

I want to do validation for Mobile Number and aadhar number (12 or 16 digit) in windows form.

How to do it please give me refernce links

Thanks

Posted one year ago

Hi ashishk,

Check this example. Now please take its reference and correct your code.

Form Design

Code

C#

private void btnMobile_Click(object sender, EventArgs e)
{
    if (!System.Text.RegularExpressions.Regex.IsMatch(txtMobile.Text.Trim(), "^[0-9]{10}$"))
    {
        MessageBox.Show("Enter 10 Digit mobile number");
    }
}

private void btnAadhar_Click(object sender, EventArgs e)
{
    if (!System.Text.RegularExpressions.Regex.IsMatch(txtAadhar.Text.Trim(), @"^(\d{12}|\d{16})$"))
    {
        MessageBox.Show("Enter 12 or 16 Digit Aadhar number");
    }
}

Screenshot