NAME
Unicode::Util - Unicode-aware versions of built-in Perl functions
VERSION
This document describes Unicode::Util version 0.01.
SYNOPSIS
use Unicode::Util;
# grapheme cluster: Cyrillic small letter yu + combining acute accent
my $grapheme = "\x{44E}\x{301}";
say graph_length($grapheme); # 1
say code_length($grapheme); # 2
say byte_length($grapheme); # 4
DESCRIPTION
This module provides additional versions of Perl's built-in functions,
tailored to work on three different units:
Unicode extended grapheme clusters (graphemes)
Unicode code points
bytes (octets)
This is an early release and this module is likely to have major
revisions. Only the "length" functions are currently implemented. See
the "TODO" section for planned future additions.
FUNCTIONS
graph_length($string)
Returns the length in graphemes of the given string. This is likely
the number of "characters" that many people would count on a printed
string, plus non-printing characters.
code_length($string)
Returns the length in code points of the given string. This is
likely the number of "characters" that many programmers and
programming languages would count in a string.
byte_length($string)
Returns the length in bytes of the given string encoded as UTF-8.
This is the number of bytes that many computers would count when
storing a string.
TODO
graph_reverse graph_chop graph_split graph_substr code_substr
byte_substr graph_index code_index byte_index graph_rindex code_rindex
byte_rindex
SEE ALSO
The "length" functions are based on methods provided by Perl6::Str.
AUTHOR
Nick Patch <
[email protected]>
COPYRIGHT AND LICENSE
© 2011–2012 Nick Patch
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
