package core:unicode
Source

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Overview

Data and procedures to test properties of Unicode code points.

Index

Types (1)

Range

Constants (8)

MAX_ASCII
MAX_LATIN1
MAX_RUNE
REPLACEMENT_CHAR
WORD_JOINER
ZERO_WIDTH_JOINER
ZERO_WIDTH_NON_JOINER
ZERO_WIDTH_SPACE

Variables (123)

alpha_ranges
alpha_singlets
char_properties
emoji_extended_pictographic_ranges
extra_digits_ranges
extra_digits_ranges16
extra_digits_ranges32
extra_digits_singles16
grapheme_extend_ranges
hangul_syllable_lv_singlets
hangul_syllable_lvt_ranges
indic_conjunct_break_consonant_ranges
indic_conjunct_break_extend_ranges
ll_ranges
ll_ranges16
ll_ranges32
ll_singles16
ll_singles32
lm_ranges
lm_ranges16
lm_ranges32
lm_singles16
lm_singles32
lo_ranges
lo_ranges16
lo_ranges32
lo_singles16
lo_singles32
lt_ranges
lt_ranges16
lt_singles16
lu_ranges
lu_ranges16
lu_ranges32
lu_singles16
lu_singles32
mc_ranges
mc_ranges16
mc_ranges32
mc_singles16
mc_singles32
me_ranges
me_ranges16
me_singles16
mn_ranges
mn_ranges16
mn_ranges32
mn_singles16
mn_singles32
nd_ranges
nd_ranges16
nd_ranges32
nl_ranges
nl_ranges16
nl_ranges32
nl_singles16
nl_singles32
no_ranges
no_ranges16
no_ranges32
no_singles16
nonspacing_mark_ranges
normalized_east_asian_width_ranges
other_lowercase_ranges
other_lowercase_ranges16
other_lowercase_ranges32
other_lowercase_singles16
other_lowercase_singles32
other_uppercase_ranges
other_uppercase_ranges16
other_uppercase_ranges32
pc_ranges
pc_ranges16
pc_singles16
pd_ranges
pd_ranges16
pd_singles16
pd_singles32
pe_ranges
pe_ranges16
pe_singles16
pf_ranges
pf_singles16
pi_ranges
pi_ranges16
pi_singles16
po_ranges
po_ranges16
po_ranges32
po_singles16
po_singles32
ps_ranges
ps_singles16
sc_ranges
sc_ranges16
sc_ranges32
sc_singles16
sc_singles32
sk_ranges
sk_ranges16
sk_ranges32
sk_singles16
sm_ranges
sm_ranges16
sm_ranges32
sm_singles16
sm_singles32
so_ranges
so_ranges16
so_ranges32
so_singles16
so_singles32
space_ranges
spacing_mark_ranges
to_lower_ranges
to_lower_singlets
to_title_singlets
to_upper_ranges
to_upper_singlets
unicode_spaces
zs_ranges
zs_ranges16
zs_singles16

Procedures (43)

binary_search
in_range
is_alpha
is_combining
is_control
is_decimal
is_digit
is_emoji_extended_pictographic
is_emoji_modifier
is_enclosing_mark
is_gcb_extend_class
is_gcb_prepend_class
is_grapheme_extend
is_graphic
is_hangul_syllable_leading
is_hangul_syllable_lv
is_hangul_syllable_lvt
is_hangul_syllable_trailing
is_hangul_syllable_vowel
is_indic_conjunct_break_consonant
is_indic_conjunct_break_extend
is_indic_conjunct_break_linker
is_indic_consonant_preceding_repha
is_indic_consonant_prefixed
is_letter
is_lower
is_nonspacing_mark
is_number
is_prepended_concatenation_mark
is_print
is_punct
is_regional_indicator
is_space
is_spacing_mark
is_symbol
is_title
is_upper
is_white_space
normalized_east_asian_width
simple_fold
to_lower
to_title
to_upper

Procedure Groups (0)

This section is empty.

Types

Constants

WORD_JOINER ¶
Source

WORD_JOINER :: '\u2060'

ZERO_WIDTH_JOINER ¶
Source

ZERO_WIDTH_JOINER :: '\u200D'

ZERO_WIDTH_NON_JOINER ¶
Source

ZERO_WIDTH_NON_JOINER :: '\u200C'

ZERO_WIDTH_SPACE ¶
Source

ZERO_WIDTH_SPACE :: '\u200B'

Variables

alpha_ranges ¶
Source

@(rodata)
alpha_ranges: [304]i32 = …

alpha_singlets ¶
Source

@(rodata)
alpha_singlets: [32]i32 = …

char_properties ¶
Source

@(rodata)
char_properties: [256]u8 = …

emoji_extended_pictographic_ranges ¶
Source

@(rodata)
emoji_extended_pictographic_ranges: [1022]i32 = …

extra_digits_ranges ¶
Source

extra_digits_ranges: Range = …

extra_digits_ranges16 ¶
Source

@(rodata)
extra_digits_ranges16: [22]u16 = …

extra_digits_ranges32 ¶
Source

@(rodata)
extra_digits_ranges32: [8]i32 = …

extra_digits_singles16 ¶
Source

@(rodata)
extra_digits_singles16: [5]u16 = …

grapheme_extend_ranges ¶
Source

@(rodata)
grapheme_extend_ranges: [752]i32 = …

hangul_syllable_lv_singlets ¶
Source

@(rodata)
hangul_syllable_lv_singlets: [399]i32 = …

hangul_syllable_lvt_ranges ¶
Source

@(rodata)
hangul_syllable_lvt_ranges: [798]i32 = …

indic_conjunct_break_consonant_ranges ¶
Source

@(rodata)
indic_conjunct_break_consonant_ranges: [52]i32 = …

indic_conjunct_break_extend_ranges ¶
Source

@(rodata)
indic_conjunct_break_extend_ranges: [340]i32 = …

ll_ranges ¶
Source

ll_ranges: Range = …

ll_ranges16 ¶
Source

@(rodata)
ll_ranges16: [144]u16 = …

ll_ranges32 ¶
Source

@(rodata)
ll_ranges32: [82]i32 = …

ll_singles16 ¶
Source

@(rodata)
ll_singles16: [549]u16 = …

ll_singles32 ¶
Source

@(rodata)
ll_singles32: [2]i32 = …

lm_ranges ¶
Source

lm_ranges: Range = …

lm_ranges16 ¶
Source

@(rodata)
lm_ranges16: [42]u16 = …

lm_ranges32 ¶
Source

@(rodata)
lm_ranges32: [28]i32 = …

lm_singles16 ¶
Source

@(rodata)
lm_singles16: [36]u16 = …

lm_singles32 ¶
Source

@(rodata)
lm_singles32: [8]i32 = …

lo_ranges ¶
Source

lo_ranges: Range = …

lo_ranges16 ¶
Source

@(rodata)
lo_ranges16: [472]u16 = …

lo_ranges32 ¶
Source

@(rodata)
lo_ranges32: [382]i32 = …

lo_singles16 ¶
Source

@(rodata)
lo_singles16: [55]u16 = …

lo_singles32 ¶
Source

@(rodata)
lo_singles32: [60]i32 = …

lt_ranges ¶
Source

lt_ranges: Range = …

lt_ranges16 ¶
Source

@(rodata)
lt_ranges16: [6]u16 = …

lt_singles16 ¶
Source

@(rodata)
lt_singles16: [7]u16 = …

lu_ranges ¶
Source

lu_ranges: Range = …

lu_ranges16 ¶
Source

@(rodata)
lu_ranges16: [120]u16 = …

lu_ranges32 ¶
Source

@(rodata)
lu_ranges32: [78]i32 = …

lu_singles16 ¶
Source

@(rodata)
lu_singles16: [552]u16 = …

lu_singles32 ¶
Source

@(rodata)
lu_singles32: [4]i32 = …

mc_ranges ¶
Source

mc_ranges: Range = …

mc_ranges16 ¶
Source

@(rodata)
mc_ranges16: [142]u16 = …

mc_ranges32 ¶
Source

@(rodata)
mc_ranges32: [86]i32 = …

mc_singles16 ¶
Source

@(rodata)
mc_singles16: [41]u16 = …

mc_singles32 ¶
Source

@(rodata)
mc_singles32: [38]i32 = …

me_ranges ¶
Source

me_ranges: Range = …

me_ranges16 ¶
Source

@(rodata)
me_ranges16: [8]u16 = …

me_singles16 ¶
Source

@(rodata)
me_singles16: [1]u16 = …

mn_ranges ¶
Source

mn_ranges: Range = …

mn_ranges16 ¶
Source

@(rodata)
mn_ranges16: [264]u16 = …

mn_ranges32 ¶
Source

@(rodata)
mn_ranges32: [206]i32 = …

mn_singles16 ¶
Source

@(rodata)
mn_singles16: [81]u16 = …

mn_singles32 ¶
Source

@(rodata)
mn_singles32: [49]i32 = …

nd_ranges ¶
Source

nd_ranges: Range = …

nd_ranges16 ¶
Source

@(rodata)
nd_ranges16: [74]u16 = …

nd_ranges32 ¶
Source

@(rodata)
nd_ranges32: [70]i32 = …

nl_ranges ¶
Source

nl_ranges: Range = …

nl_ranges16 ¶
Source

@(rodata)
nl_ranges16: [12]u16 = …

nl_ranges32 ¶
Source

@(rodata)
nl_ranges32: [8]i32 = …

nl_singles16 ¶
Source

@(rodata)
nl_singles16: [1]u16 = …

nl_singles32 ¶
Source

@(rodata)
nl_singles32: [2]i32 = …

no_ranges ¶
Source

no_ranges: Range = …

no_ranges16 ¶
Source

@(rodata)
no_ranges16: [48]u16 = …

no_ranges32 ¶
Source

@(rodata)
no_ranges32: [86]i32 = …

no_singles16 ¶
Source

@(rodata)
no_singles16: [5]u16 = …

nonspacing_mark_ranges ¶
Source

@(rodata)
nonspacing_mark_ranges: [692]i32 = …

normalized_east_asian_width_ranges ¶
Source

@(rodata)
normalized_east_asian_width_ranges: [489]i32 = …

Fullwidth (F) and Wide (W) are counted as 2. Everything else is 1.

Derived from: https://unicode.org/Public/15.1.0/ucd/EastAsianWidth.txt

other_lowercase_ranges ¶
Source

other_lowercase_ranges: Range = …

other_lowercase_ranges16 ¶
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@(rodata)
other_lowercase_ranges16: [26]u16 = …

other_lowercase_ranges32 ¶
Source

@(rodata)
other_lowercase_ranges32: [8]i32 = …

other_lowercase_singles16 ¶
Source

@(rodata)
other_lowercase_singles16: [10]u16 = …

other_lowercase_singles32 ¶
Source

@(rodata)
other_lowercase_singles32: [1]i32 = …

other_uppercase_ranges ¶
Source

other_uppercase_ranges: Range = …

other_uppercase_ranges16 ¶
Source

@(rodata)
other_uppercase_ranges16: [4]u16 = …

other_uppercase_ranges32 ¶
Source

@(rodata)
other_uppercase_ranges32: [6]i32 = …

pc_ranges ¶
Source

pc_ranges: Range = …

pc_ranges16 ¶
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@(rodata)
pc_ranges16: [6]u16 = …

pc_singles16 ¶
Source

@(rodata)
pc_singles16: [3]u16 = …

pd_ranges ¶
Source

pd_ranges: Range = …

pd_ranges16 ¶
Source

@(rodata)
pd_ranges16: [6]u16 = …

pd_singles16 ¶
Source

@(rodata)
pd_singles16: [15]u16 = …

pd_singles32 ¶
Source

@(rodata)
pd_singles32: [2]i32 = …

pe_ranges ¶
Source

pe_ranges: Range = …

pe_ranges16 ¶
Source

@(rodata)
pe_ranges16: [2]u16 = …

pe_singles16 ¶
Source

@(rodata)
pe_singles16: [75]u16 = …

pf_ranges ¶
Source

pf_ranges: Range = …

pf_singles16 ¶
Source

@(rodata)
pf_singles16: [10]u16 = …

pi_ranges ¶
Source

pi_ranges: Range = …

pi_ranges16 ¶
Source

@(rodata)
pi_ranges16: [2]u16 = …

pi_singles16 ¶
Source

@(rodata)
pi_singles16: [10]u16 = …

po_ranges ¶
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po_ranges: Range = …

po_ranges16 ¶
Source

@(rodata)
po_ranges16: [168]u16 = …

po_ranges32 ¶
Source

@(rodata)
po_ranges32: [80]i32 = …

po_singles16 ¶
Source

@(rodata)
po_singles16: [47]u16 = …

po_singles32 ¶
Source

@(rodata)
po_singles32: [23]i32 = …

ps_ranges ¶
Source

ps_ranges: Range = …

ps_singles16 ¶
Source

@(rodata)
ps_singles16: [79]u16 = …

sc_ranges ¶
Source

sc_ranges: Range = …

sc_ranges16 ¶
Source

@(rodata)
sc_ranges16: [12]u16 = …

sc_ranges32 ¶
Source

@(rodata)
sc_ranges32: [2]i32 = …

sc_singles16 ¶
Source

@(rodata)
sc_singles16: [12]u16 = …

sc_singles32 ¶
Source

@(rodata)
sc_singles32: [2]i32 = …

sk_ranges ¶
Source

sk_ranges: Range = …

sk_ranges16 ¶
Source

@(rodata)
sk_ranges16: [32]u16 = …

sk_ranges32 ¶
Source

@(rodata)
sk_ranges32: [2]i32 = …

sk_singles16 ¶
Source

@(rodata)
sk_singles16: [14]u16 = …

sm_ranges ¶
Source

sm_ranges: Range = …

sm_ranges16 ¶
Source

@(rodata)
sm_ranges16: [50]u16 = …

sm_ranges32 ¶
Source

@(rodata)
sm_ranges32: [6]i32 = …

sm_singles16 ¶
Source

@(rodata)
sm_singles16: [28]u16 = …

sm_singles32 ¶
Source

@(rodata)
sm_singles32: [11]i32 = …

so_ranges ¶
Source

so_ranges: Range = …

so_ranges16 ¶
Source

@(rodata)
so_ranges16: [162]u16 = …

so_ranges32 ¶
Source

@(rodata)
so_ranges32: [130]i32 = …

so_singles16 ¶
Source

@(rodata)
so_singles16: [35]u16 = …

so_singles32 ¶
Source

@(rodata)
so_singles32: [12]i32 = …

space_ranges ¶
Source

@(rodata)
space_ranges: [26]i32 = …

spacing_mark_ranges ¶
Source

@(rodata)
spacing_mark_ranges: [364]i32 = …

to_lower_ranges ¶
Source

@(rodata)
to_lower_ranges: [108]i32 = …

to_lower_singlets ¶
Source

@(rodata)
to_lower_singlets: [666]i32 = …

to_title_singlets ¶
Source

@(rodata)
to_title_singlets: [16]i32 = …

to_upper_ranges ¶
Source

@(rodata)
to_upper_ranges: [105]i32 = …

to_upper_singlets ¶
Source

@(rodata)
to_upper_singlets: [680]i32 = …

unicode_spaces ¶
Source

@(rodata)
unicode_spaces: [18]i32 = …

zs_ranges ¶
Source

zs_ranges: Range = …

zs_ranges16 ¶
Source

@(rodata)
zs_ranges16: [2]u16 = …

zs_singles16 ¶
Source

@(rodata)
zs_singles16: [6]u16 = …

Procedures

binary_search ¶
Source

binary_search :: proc(c: $T, table: []$T, length, stride: int, loc := #caller_location) -> int {…}

in_range ¶
Source

in_range :: proc(r: rune, range: Range) -> bool {…}

Check to see if the rune r is in range

is_alpha ¶
Source

is_alpha :: is_letter

Return true if the rune r is a letter. Being a letter means that the rune has the Unicode general category property of L. In practice, the character will have a general category property of Ll, Lm, Lo, Lt, or Lu.

Inputs:
r: The rune which will be check for having the property of being a letter.

Returns:
true when the rune r is a letter. false will be returned in all other cases.

is_combining ¶
Source

is_combining :: proc(r: rune) -> bool {…}

is_control ¶
Source

is_control :: proc(r: rune) -> bool {…}

is_decimal ¶
Source

is_decimal :: proc(r: rune) -> bool {…}

Returns true if the rune r is in the General Category Nd

Inputs:
r: The run to check if it is in the general category Nd.

Returns:
true if the rune is in the general category Nd and false otherwise

is_digit ¶
Source

is_digit :: proc(r: rune) -> bool {…}

This function determincs if a rune is a digit. To be a digit the charage either has a Numeric_Type of Digit or Decimal.

Inputs:
r: The rune to check if it is a digit.

Returns:
true if the rune r is a digit, false in all other cases

is_emoji_extended_pictographic ¶
Source

is_emoji_extended_pictographic :: proc(r: rune) -> bool {…}

Extended_Pictographic

is_emoji_modifier ¶
Source

is_emoji_modifier :: proc(r: rune) -> bool {…}

Emoji_Modifier

is_enclosing_mark ¶
Source

is_enclosing_mark :: proc(r: rune) -> bool {…}

General_Category=Enclosing_Mark

is_gcb_extend_class ¶
Source

is_gcb_extend_class :: proc(r: rune) -> bool {…}

For grapheme text segmentation, from Unicode TR 29 Rev 43:

` Grapheme_Extend = Yes, or Emoji_Modifier = Yes

This includes: General_Category = Nonspacing_Mark General_Category = Enclosing_Mark U+200C ZERO WIDTH NON-JOINER

plus a few General_Category = Spacing_Mark needed for canonical equivalence. `

is_gcb_prepend_class ¶
Source

is_gcb_prepend_class :: proc(r: rune) -> bool {…}

For grapheme text segmentation, from Unicode TR 29 Rev 43:

` Indic_Syllabic_Category = Consonant_Preceding_Repha, or Indic_Syllabic_Category = Consonant_Prefixed, or Prepended_Concatenation_Mark = Yes `

is_grapheme_extend ¶
Source

is_grapheme_extend :: proc(r: rune) -> bool {…}

Grapheme_Extend

is_graphic ¶
Source

is_graphic :: proc(r: rune) -> bool {…}

is_hangul_syllable_leading ¶
Source

is_hangul_syllable_leading :: proc(r: rune) -> bool {…}

Hangul_Syllable_Type=Leading_Jamo

is_hangul_syllable_lv ¶
Source

is_hangul_syllable_lv :: proc(r: rune) -> bool {…}

Hangul_Syllable_Type=LV_Syllable

is_hangul_syllable_lvt ¶
Source

is_hangul_syllable_lvt :: proc(r: rune) -> bool {…}

Hangul_Syllable_Type=LVT_Syllable

is_hangul_syllable_trailing ¶
Source

is_hangul_syllable_trailing :: proc(r: rune) -> bool {…}

Hangul_Syllable_Type=Trailing_Jamo

is_hangul_syllable_vowel ¶
Source

is_hangul_syllable_vowel :: proc(r: rune) -> bool {…}

Hangul_Syllable_Type=Vowel_Jamo

is_indic_conjunct_break_consonant ¶
Source

is_indic_conjunct_break_consonant :: proc(r: rune) -> bool {…}

Indic_Conjunct_Break=Consonant

is_indic_conjunct_break_extend ¶
Source

is_indic_conjunct_break_extend :: proc(r: rune) -> bool {…}

Indic_Conjunct_Break=Extend

is_indic_conjunct_break_linker ¶
Source

is_indic_conjunct_break_linker :: proc(r: rune) -> bool {…}

Indic_Conjunct_Break=Linker

is_indic_consonant_preceding_repha ¶
Source

is_indic_consonant_preceding_repha :: proc(r: rune) -> bool {…}

Indic_Syllabic_Category=Consonant_Preceding_Repha

is_indic_consonant_prefixed ¶
Source

is_indic_consonant_prefixed :: proc(r: rune) -> bool {…}

Indic_Syllabic_Category=Consonant_Prefixed

is_letter ¶
Source

is_letter :: proc(r: rune) -> bool {…}

Inputs:
r: The rune which will be check for having the property of being a letter.

Returns:
true when the rune r is a letter. false will be returned in all other cases.

is_lower ¶
Source

is_lower :: proc(r: rune) -> bool {…}

is_nonspacing_mark ¶
Source

is_nonspacing_mark :: proc(r: rune) -> bool {…}

General_Category=Nonspacing_Mark

is_number ¶
Source

is_number :: proc(r: rune) -> bool {…}

Checks to see if the rune r is a number. This means the rune is a member of the general category Nd, Nl, or No.

Inputs:
r: The rune to check if it is number.

Returns:
true if the ruen belongs to the general category Nd, Nl, or No. false is return in all other cases.

is_prepended_concatenation_mark ¶
Source

is_prepended_concatenation_mark :: proc(r: rune) -> bool {…}

Prepended_Concatenation_Mark

is_print ¶
Source

is_print :: proc(r: rune) -> bool {…}

is_punct ¶
Source

is_punct :: proc(r: rune) -> bool {…}

is_regional_indicator ¶
Source

is_regional_indicator :: proc(r: rune) -> bool {…}

Regional_Indicator

is_space ¶
Source

is_space :: proc(r: rune) -> bool {…}

is_spacing_mark ¶
Source

is_spacing_mark :: proc(r: rune) -> bool {…}

General_Category=Spacing_Mark

is_symbol ¶
Source

is_symbol :: proc(r: rune) -> bool {…}

is_title ¶
Source

is_title :: proc(r: rune) -> bool {…}

is_upper ¶
Source

is_upper :: proc(r: rune) -> bool {…}

is_white_space ¶
Source

is_white_space :: is_space

normalized_east_asian_width ¶
Source

normalized_east_asian_width :: proc(r: rune) -> int {…}

Return values:

2 if East_Asian_Width=F or W, or 0 if non-printable / zero-width, or 1 in all other cases.

simple_fold ¶
Source

simple_fold :: proc(r: rune) -> rune {…}

simple_fold iterates over the Unicode code points equivalent under the Unicode defined simple case folding. simple_fold returns the smallest rune > r if one exists, or the smallest rune >= 0. If no valid Unicode code point exists, r is returned.

Example:

simple_fold('A')      == 'a'
simple_fold('a')      == 'A'
simple_fold('Z')      == 'z'
simple_fold('z')      == 'Z'
simple_fold('7')      == '7'
simple_fold('k')      == '\u212a' (Kelvin symbol, K)
simple_fold('\u212a') == 'k'
simple_fold(-3)       == -3

to_lower ¶
Source

to_lower :: proc(r: rune) -> rune {…}

to_title ¶
Source

to_title :: proc(r: rune) -> rune {…}

to_upper ¶
Source

to_upper :: proc(r: rune) -> rune {…}

Procedure Groups

This section is empty.

Source Files

Generation Information

Generated with odin version dev-2026-03 (vendor "odin") Windows_amd64 @ 2026-03-22 21:18:17.000998000 +0000 UTC

package core:unicodeSource