Should I Use std.ascii.isWhite or std.uni.isWhite?

[anonymous]

On Friday, 26 July 2013 at 05:54:50 UTC, Meta wrote:
> Another question, I'm not all that familiar with unicode, so 
> what is the difference between std.uni.isNumber and 
> std.ascii.isNumber? Am I right in thinking that 
> std.uni.isNumber will match things outside of the basic 0..9?

Starting at <http://dlang.org/phobos/std_uni#.isNumber>:
> general Unicode category: Nd, Nl, No

Via 
<http://www.google.com/search?q=general+Unicode+category:+Nd,+Nl,+No> 
to 
<http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters#General_Category>:
> Number (N)
>     Decimal digit (Nd)
>     Letter (Nl) — Numerals composed of letters or letterlike 
> symbols (e.g., Roman numerals)
>     Other (No) — Includes vulgar fractions and superscript and 
> subscript digits.