iOS：将NSString拆分为FilePath＆amp; Name + Extension

Question

iOS：将NSString拆分为FilePath＆amp; Name + Extension

如何拆分

@"blah/.../myfile.txt"

进入

@"blah/.../myfile" 

和

@"txt"

Answer 1

NSString* fileName = [fileString stringByDeletingPathExtension];
NSString* extension = [fileString pathExtension];