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copied!<p>Although nobody answered my question, I figured it out myself.</p> <p>Actually, I thought too difficult. I wanted to use NSPredicate which wasn't necessary in my case. I wanted to have a string first from NSPredicate, and then compare the string. I now use rangeofstring, in a loop for every objectatindex, I do this for every array.</p> <p>If it's found in an array, report YES and the index will be put in a different array. This array will be used later on when making the UITableView, replacing the indexPath.row.</p> <pre><code>[self.searchResults removeAllObjects]; for (int i = 0; i < [temp_category count]; i++) { BOOL foundResult = FALSE; if ([[temp_category objectAtIndex:i] rangeOfString:searchText].location != NSNotFound) { foundResult = TRUE; } if ([[price_producttitle objectAtIndex:i] rangeOfString:searchText].location != NSNotFound) { foundResult = TRUE; } if ([[price_type objectAtIndex:i] rangeOfString:searchText].location != NSNotFound) { foundResult = TRUE; } if ([[price_description objectAtIndex:i] rangeOfString:searchText].location != NSNotFound) { foundResult = TRUE; } if (foundResult) { NSNumber *result = [NSNumber numberWithInt:i]; if ([self searchResults] == nil) { NSMutableArray *array = [[NSMutableArray alloc] init]; [self setSearchResults:array]; [array release]; } [searchResults addObject:result]; } } NSLog (@"array = %i", [searchResults count]); NSLog(@"%@",searchResults); </code></pre> <p>I don't take credits for this answer. Credits should go to: <a href="https://stackoverflow.com/questions/8169889/searchdisplaycontroller-search-multiple-arrays">SearchDisplayController search multiple arrays</a></p> <p>I took this method and implemented it in a -(void)searchtableview. I should mention that there are not a lot of questions about this, and this was the only appropriate answer I could find.</p> <p>I hope others will find this useful as well!!</p>

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