how to compare textfield string with array string in iphone sdk

how to compare textfield string with array string in iphone s开发者_开发问答dk? please help me?

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NSMutableArray *array=[[NSMutableArray alloc] initWithObjects:@"Apple",@"Google",@"AJS"];

NSString *tempString=textField.text;

for(int i=0; i<=[array count]; i++)
{
     if([tempString isEqualToString:[array objectAtIndex:i]])
     {
          NSLog("String is equal");
     }
}

this one will help you.