How to Allow letters,numbers,some special characters only?

Accepted answer

Hi,

Please try below expression -

Regex regex = new Regex(@"^[a-zA-Z0-9 ,.\\-_]*$");

if (!regex.Match(Textbox1.Text).Success)

{

//does not match your pattern

}

0

Raja10y ago

Thanks To All..

0

Hi,

Based on your requirement you can use the following Regex Code.

Please check this demo :

http://regexr.com/3ebkn

+1

Hi,

you need to use Regex.

+1

Hi,

You can use the code regex inside the textBox1_TextChanged event in Textbox Control In Asp.net.

+1

Raja10y ago

how to use code behind.without using scripting

0

Hi,

Please check the following reference :

http://stackoverflow.com/questions/12607087/only-allow-specific-characters-in-textbox

+1