title: NOT(!) in objective c
body: <pre><code>for (int i=0 ; i&lt;=[secondSplitArrayValue count]; i++)   
  {    
    if (![[secondSplitArrayValue objectAtIndex:i] isEqualToString:@"NULL"] ||  
    ![[splitArrayValue objectAtIndex:i] isEqualToString:@"Error"]   
      {  
          [secondSplitArrayValue removeObjectAtIndex:i];  
      }  
  }  
  </code></pre>
  
  <p>I am trying to remove value of array at particular index where string is NOT EQUAL (!=) to NULL or Error. 
  But in debugging time object is removed where NULL and Error present but I want to remove object where Null and Error not present.</p>