StackOverflow2013

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copied!<p>You may need to consider certain characters with accents as well such as è, é, ò, à, ù, ì.</p> <p>So I slightly modified your code to incorporate this. Your code is a great contribution to all of us iphone developers</p> <pre><code> - (NSString*)comparableString:(NSString*)str { if (str == nil) return nil; else if ([str length] == 0) return [NSString stringWithString:str]; NSCharacterSet* numbersSet = [NSCharacterSet decimalDigitCharacterSet]; if ([str rangeOfCharacterFromSet:numbersSet options:0 range:NSMakeRange(0, 1)].location != NSNotFound) return [NSString stringWithString:str]; NSRange range = NSMakeRange(0, [str length]); if ([str compare:@"a " options:(NSAnchoredSearch|NSCaseInsensitiveSearch) range:NSMakeRange(0, 2)] == NSOrderedSame) range.location = 2; else if ([str compare:@"an " options:(NSAnchoredSearch|NSCaseInsensitiveSearch) range:NSMakeRange(0, 3)] == NSOrderedSame) range.location = 3; else if ([str compare:@"the " options:(NSAnchoredSearch|NSCaseInsensitiveSearch) range:NSMakeRange(0, 4)] == NSOrderedSame) range.location = 4; range.length -= range.location; NSCharacterSet* lettersSet = [NSCharacterSet letterCharacterSet]; NSUInteger letterOffset = [str rangeOfCharacterFromSet:lettersSet options:0 range:range].location; if (letterOffset == NSNotFound) return [NSString stringWithString:str]; letterOffset -= range.location; range.location += letterOffset; range.length -= letterOffset; //my modification starts here......... NSString * finalString = [str substringWithRange:range]; NSString * firstCharString = [finalString substringToIndex:1]; NSData * encodedData = [firstCharString dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString * encodedString = [[NSString alloc] initWithBytes:[encodedData bytes] length:[encodedData length] encoding:NSASCIIStringEncoding]; if ([encodedString isEqualToString:@"?"]) { return finalString; } NSString * finalProcessedString = [finalString stringByReplacingCharactersInRange:NSMakeRange(0, 1) withString:encodedString]; [encodedString release]; return finalProcessedString; } </code></pre>

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