iosobjective-csubstringnsuinteger

Objective-C Substring with range

I have an NSString that points to a URL, something like this:

https://.../uploads/video/video_file/115/spin_37.mp4

I want to get the filename in my iOS app from the NSString (in this example, spin_37.mp4)

I'm trying the following:

NSUInteger *startIndex = [self.videoURL rangeOfString:@"/" options:NSBackwardsSearch].location+1;
NSUInteger *endIndex = [self.videoURL length] - startIndex;

NSString *fileName = [self.videoURL substringWithRange:(startIndex, endIndex)];

But I'm running into a lot of errors with NSUInteger, namely right now 

Invalid operands to binary expression ('unsigned long' and 'NSUInteger *' (aka 'unsigned long *'))

Can someone explain what I'm doing wrong?

Solution

  • You could always just use NSString's lastPathComponent API which would take a NSString with "https://.../uploads/video/video_file/115/spin_37.mp4" and return "spin_37.mp4" to you.