Re: How to detect start of Unicode symbol and count amount of graphemes

[Kagamin via Digitalmars-d-learn]

On Sunday, 5 October 2014 at 12:09:34 UTC, Uranuz wrote:
Maybe there is some idea how to just detect first code unit of 
grapheme without overhead for using Grapheme struct? I just 
tried to check if ch < 128 (for UTF-8). But this dont work. How 
to check if byte is continuation of code for single code point 
or if new sequence started?

Are you trying to split strings? If you want to optimize usage of 
graphemes, try to check if 10 code units contain ascii symbol; 
when that fails, fall back to graphemes.