NSString : easy way to remove UTF-8 accents from a string?

by 
NSString *str = @"Être ou ne pas être. C'était là-bas.";
NSData *data = [str dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
NSString *newStr = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding];
NSLog(@"%@", newStr);

… or try using NSUTF8StringEncoding instead.

List of encoding types here:

https://developer.apple.com/documentation/foundation/nsstringencoding

Just FTR here’s a one line way to write this great answer:

yourString = [[NSString alloc]
  initWithData:
    [yourString dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]
  encoding:NSASCIIStringEncoding];

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