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Function std.utf.count

Returns the total number of code points encoded in str.

size_t count(C) (
  const(C)[] str
) pure nothrow @nogc @safe
if (isSomeChar!C);


This function supercedes toUCSindex.


Unicode 5.0, ASCII, ISO-8859-1, WINDOWS-1252


UTFException if str is not well-formed.


writeln(count("")); // 0
writeln(count("a")); // 1
writeln(count("abc")); // 3
writeln(count("\u20AC100")); // 4


Walter Bright and Jonathan M Davis


Boost License 1.0.