Hey okay,, Now How can I have a Reg Expression for a username field...

This is what I have below:

if($Uname != "[-a-zA-Z0-9._"){

So that says if The username does not equal either a letter from A-Z o a number from 0-9 then Report and error...

Is this correct,, because its not working lol..

Any help is most appreciated.

NEVER MIND hehehe

You can delete this post

Any valuable lessons that we can learn here? If not, I can delete it if you want.

Dave

Yea dave,

Okay I was oringanly trying to use this Regular Expression.

if($Uname != "[-a-zA-Z0-9._")

This ofcourse did not work correctly. I then was informed by a friend that you needed to use preg_match... So this is now the Expression...

if(preg_match("/([a-zA-Z0-9])/",$Uname))

Thanks for the lesson. This could prove helpful sometime.

Dave

Here are some other interesting ways:

$Upassword is the password field in the form.


if(ereg('[^A-Za-z0-9]',$Upassword)){
echo("NO WEIRD CHARACTERS!");
exit;
}