nsscanner

NSString *string = @"Product: Acme Potato Peeler; Cost: 0.9873\nProduct: Chef Pierre Pasta Fork; Cost: 0.75 19\nProduct: ChefPierre Colander; Cost: 1.27 2\n";
 

NSCharacterSet *semicolonSet;
NSScanner *theScanner;
 
NSString *PRODUCT = @"Product:";
NSString *COST = @"Cost:";
 
NSString *productName;
float productCost;
NSInteger productSold;
 
semicolonSet = [NSCharacterSetcharacterSetWithCharactersInString:@";"];
theScanner = [NSScanner scannerWithString:string];
 
while ([theScanner isAtEnd] == NO)
{
    if([theScanner scanString:PRODUCT intoString:NULL]&&
       [theScanner scanUpToCharactersFromSet:semicolonSet
           intoString:&productName]&&
       [theScanner scanString:@";" intoString:NULL]&&
       [theScanner scanString:COST intoString:NULL]&&
       [theScanner scanFloat:&productCost]&&
       [theScanner scanInteger:&productSold])
    {
       NSLog(@"Sales of %@: $%1.2f", productName, productCost *productSold);
    }
}