stringByTrimmingCharactersInSet: is not removing characters in the middle of the string

Question

I want to remove \"#\" from my string.

I have tried

 NSString *abc = [@\"A#BCD#D\" stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWith         


        

Answer 1

I previously had a relatively complicated recursive answer for this (see edit history of this answer if you'd like to see that answer), but then I found a pretty simple one liner: 

- (NSString *)stringByRemovingCharactersInSet:(NSCharacterSet *)characterSet {
    return [[self componentsSeparatedByCharactersInSet:characterSet] componentsJoinedByString:@""];
}