// Convert property names in a text string with their value
object = user defined object

    // your text below with the property names enclosed in square brackets
    NSString *result = @"Your text here with macros eg. [name], [value], [description]";
    NSRegularExpression *regEx = [NSRegularExpression regularExpressionWithPattern:@"\\[(.*?)\\]" options:0 error:NULL];
    NSArray *matches = [regEx matchesInString:result options:0 range:NSMakeRange(0, [text length])];
    if (matches) {
        for (NSTextCheckingResult *match in matches) {
            NSString *macro = [[[text substringWithRange:match.range] stringByReplacingOccurrencesOfString:@"[" withString:@""] stringByReplacingOccurrencesOfString:@"]" withString:@""];
            if ([object respondsToSelector:NSSelectorFromString(macro)])
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
                result = [result stringByReplacingCharactersInRange:match.range withString:[NSString stringWithFormat:@"%@", [object performSelector:NSSelectorFromString(macro)]]];
#pragma clang diagnostic pop
            else
                result = [result stringByReplacingCharactersInRange:match.range withString:@""];
        }
    }

NSLog(@"%@", result);