unicode_property/2

Documentation
- Reference manual
- Packages
  - SWI-Prolog Unicode library
    - library(unicode): Unicode string handling

Availability::- use_module(library(unicode)).(can be autoloaded)

[nondet]unicode_property(?Char, ?Property)

True if Property is defined for Char. Property is a term Name(Value). Defined property-names are:

category(atom)

Unicode code category of Char. This is one of Cc, Cf, Cn, Co, Cs, Ll, Lm, Lo, Lt, Lu, Mc, Me, Mn, Nd, Nl, No, Pc, Pd, Pe, Pf, Pi, Po, Ps, Sc, Sk, Sm, So, Zl, Zp, Zs. When testing, a single letter stands for all its subcategories. E.g. to test form a letter, you can use

unicode_property(C, category('L'))

combining_class(integer)

bidi_class(atom)

decomp_type(atom)

decomp_mapping(list(code))

bidi_mirrored(bool)

uppercase_mapping(code)

lowercase_mapping(code)

titlecase_mapping(code)

comb1st_index(code)

comb2nd_index(code)

comp_exclusion(bool)

ignorable(bool)

control_boundary(bool)

extend(bool)

casefold_mapping(list(code))

To be done: Complete documentation