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Old 01-17-2011, 02:28 AM   #1 (permalink)
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Default Searching in UITableView with different pattern matching

Hi everyone, I'm coding a UITableView with a UISearchBar to search between a list of cities (loaded in the uitableview)

Here is my code for searhing:
Code:
- (void) searchTableView {
NSString *searchText = searchBar.text;
NSMutableArray *searchArray = [[NSMutableArray alloc] init];

for (NSDictionary *dictionary in listOfItems)
{
    NSArray *array = [dictionary objectForKey:@"Cities"];
    [searchArray addObjectsFromArray:array];
}

for (NSString *sTemp in searchArray)
{
    NSRange titleResultsRange = [sTemp rangeOfString:searchText options:NSCaseInsensitiveSearch];

    if (titleResultsRange.length > 0)
        [copyListOfItems addObject:sTemp];
}

[searchArray release];
searchArray = nil;
}
And with this everything works fine, but i need to do something a bit different. I need to search only between items that match pattern Word* and not * Word *.

For example if I search "roma", this need to match just with "Roma" or "Romania" and not with "Castelli di Roma". Is that possible with this searchbar? How can i modify this? Thanks
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Old 01-17-2011, 10:43 AM   #2 (permalink)
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Default

According to the apple docs, an NSRange has a length and location. You want to match only search results that match at the beginning of the word, which means the location should be 0.

Code:
    if (titleResultsRange.length > 0 && titleResultsRange.location == 0)
        [copyListOfItems addObject:sTemp];
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