RegExp and capital letters newbie question

Hey guys, I just started learning JavaScript and I was wondering can someone help me with this little thing.
I have the following line of code that needs to check a string for capital letters:

var b=1;
var reci="BOG otac";
var patt1=/[A-Z]/g;
provera1 = patt1.test(reci.charAt(b-1));
provera2 = patt1.test(reci.charAt(b));
provera3 = patt1.test(reci.charAt(b+1));
document.write(provera2);

Code (markup):

The problem is that variables provera1 and provera3 are giving me true value, but provera2 is always giving me false. I don't know what I'm doing wrong, and I don't know why provera2 is giving me false value, so can somebody explain it to me?

 

you are using the test reversed.

var b=1;
var reci="BOG otac";
var patt1=/[A-Z]/g;
provera1 = reci.charAt(b-1).test(patt1);
provera2 = reci.charAt(b).test(patt1);
provera3 = reci.charAt(b+1).test(patt1);

Code (javascript):

 

I've tried your code, and it doesn't work. I don't know why.

 

oh yeah and the g flag is wrong for a single char. http://www.jsfiddle.net/dimitar/Jwbe3/