6.4.2.1.1. General Category

The values in this field are abbreviations for the following. Some of the values are normative, and some are informative. For more information, see the Unicode Standard. Note: the standard does not assign information to control characters (except for TAB in the Bidirectonal Algorithm). Implementations will generally also assign categories to certain control characters, notably CR and LF, according to platform conventions.

General Category, Normative.

Code	Meaning
Mn	Mark, Non-Spacing
Mc	Mark, Spacing Combining
Me	Mark, Enclosing
Nd	Number, Decimal Digit
Nl	Number, Letter
No	Number, Other
Zs	Separator, Space
Zl	Separator, Line
Zp	Separator, Paragraph
Cc	Other, Control
Cf	Other, Format
Cs	Other, Surrogate
Co	Other, Private Use
Cn	Other, Not Assigned

General Category, Informative.

Code	Meaning
Lu	Letter, Uppercase
Ll	Letter, Lowercase
Lt	Letter, Titlecase
Lm	Letter, Modifier
Lo	Letter, Other
Pc	Punctuation, Connector
Pd	Punctuation, Dash
Ps	Punctuation, Open
Pe	Punctuation, Close
Pi	Punctuation, Initial quote (may behave like Ps or Pe depending on usage)
Pf	Punctuation, Final quote (may behave like Ps or Pe depending on usage)
Po	Punctuation, Other
Sm	Symbol, Math
Sc	Symbol, Currency
Sk	Symbol, Modifier
So	Symbol, Other