NSSCANNER take out String and numbers

NSString *str = @" hello i am emp 1313 object of string class 123";
NSScanner *scanner = [NSScanner scannerWithString:str];
// set it to skip non-numeric characters
[scanner setCharactersToBeSkipped:

[[NSCharacterSet decimalDigitCharacterSet] 

 invertedSet]];
int i;
while ([scanner scanInt:&i])
{
    NSLog(@"Found int: %d",i);
}
// reset the scanner to skip numeric characters
[scanner setScanLocation:0];
[scanner setCharactersToBeSkipped:

[NSCharacterSet decimalDigitCharacterSet]];
NSString *resultString;
while ([scanner scanUpToCharactersFromSet:

[NSCharacterSet decimalDigitCharacterSet] 

 intoString:&resultString]) {
    NSLog(@"Found string: %@",resultString);
}