NSScanner scan a string from end

Question

I have a filename like this WO.NO 193 AND TASK NO 15146.JPG. I want to split out the extension from the filename. Can someone tell how could i do this with NSSCanner, is there any other way than using the scanner. If so please let me know the solution.

you want to separate extension using scanner only no need altrnative method? — Balu, May 02 '13 at 12:20

score 0 · Answer 1 · answered May 02 '13 at 12:26

i don't know exactly is it correct way or not but it gives the correct value try once,

 NSString* str=@"WONO 193 AND TASK NO 15146.JPG";
    NSArray *array=[str componentsSeparatedByString:@"."];
    str=[str substringToIndex:[str length]-([[array lastObject] length]+1)];
    NSLog(@"%@",str);

Monolo · Accepted Answer · 2013-05-02T14:22:57.233

0

There are methods in NSString that do exactly that:

NSString *fn = @"WO.NO 193 AND TASK NO 15146.JPG";

NSString *basename = [fn stringByDeletingPathExtension];

NSString *extension= [fn pathExtension];

So no need to use a scanner, unless you also have other requirements.

edited May 02 '13 at 14:22

answered May 02 '13 at 13:44

Monolo

18,205
17
69
103

NSScanner scan a string from end

2 Answers2