Given a character (a Unicode code point, to be exact) like U+FF0B (FULLWIDTH
PLUS SIGN), I want to know the General Category of this.
For this example it would be “Sm" (aka. Math_Symbol or Symbol, Math).
I could download the current version of UnicodeData.txt and parse it.
But this looks not very efficient.
For punctuation one could use NSCharacterSet punctuationCharacterSet.
But for Math Symbols?
I did look at CFStringTransform, which can give the Character name via
kCFStringTransformToUnicodeName.
But I cannot find anything for “General Category"
NSRegularExpression can match for [\p{General_Category = Math_Symbol}]; not
quite what I want, but better than nothing.
Any ideas?
Gerriet.
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