Unicode classes
Match ranges of unicode characters. In particular, you can match characters from a particular language.
armenian(lo, hi, char_class = TRUE) armenian_ligatures(lo, hi, char_class = TRUE) caucasian_albanian(lo, hi, char_class = TRUE) cypriot_syllabary(lo, hi, char_class = TRUE) cyrillic(lo, hi, char_class = TRUE) cyrillic_supplement(lo, hi, char_class = TRUE) cyrillic_extended_a(lo, hi, char_class = TRUE) cyrillic_extended_b(lo, hi, char_class = TRUE) elbasan(lo, hi, char_class = TRUE) georgian(lo, hi, char_class = TRUE) georgian_supplement(lo, hi, char_class = TRUE) glagolitic(lo, hi, char_class = TRUE) gothic(lo, hi, char_class = TRUE) greek_and_coptic(lo, hi, char_class = TRUE) greek_extended(lo, hi, char_class = TRUE) latin(lo, hi, char_class = TRUE) latin_1_supplement(lo, hi, char_class = TRUE) latin_extended_a(lo, hi, char_class = TRUE) latin_extended_b(lo, hi, char_class = TRUE) latin_extended_c(lo, hi, char_class = TRUE) latin_extended_d(lo, hi, char_class = TRUE) latin_extended_e(lo, hi, char_class = TRUE) latin_extended_additional(lo, hi, char_class = TRUE) latin_ligatures(lo, hi, char_class = TRUE) linear_a(lo, hi, char_class = TRUE) linear_b_syllabary(lo, hi, char_class = TRUE) linear_b_ideograms(lo, hi, char_class = TRUE) ogham(lo, hi, char_class = TRUE) old_italic(lo, hi, char_class = TRUE) old_permic(lo, hi, char_class = TRUE) phaistos_disc(lo, hi, char_class = TRUE) runic(lo, hi, char_class = TRUE) shavian(lo, hi, char_class = TRUE) duployan(lo, hi, char_class = TRUE) shorthand_format_controls(lo, hi, char_class = TRUE) ipa_extensions(lo, hi, char_class = TRUE) phonetic_extensions(lo, hi, char_class = TRUE) phonetic_extensions_supplement(lo, hi, char_class = TRUE) modifier_tone_letters(lo, hi, char_class = TRUE) spacing_modifier_letters(lo, hi, char_class = TRUE) superscripts_and_subscripts(lo, hi, char_class = TRUE) combining_diacritic_marks(lo, hi, char_class = TRUE) combining_diacritic_supplement(lo, hi, char_class = TRUE) combining_diacritic_extended(lo, hi, char_class = TRUE) combining_half_marks(lo, hi, char_class = TRUE) bamun(lo, hi, char_class = TRUE) bamun_supplement(lo, hi, char_class = TRUE) bassa_vah(lo, hi, char_class = TRUE) coptic(lo, hi, char_class = TRUE) coptic_epact_numbers(lo, hi, char_class = TRUE) egyptian_hieroglyphs(lo, hi, char_class = TRUE) ethiopic(lo, hi, char_class = TRUE) ethiopic_supplement(lo, hi, char_class = TRUE) ethiopic_extended(lo, hi, char_class = TRUE) ethiopic_extended_a(lo, hi, char_class = TRUE) mende_kikakui(lo, hi, char_class = TRUE) meroitic_cursive(lo, hi, char_class = TRUE) meroitic_hieroglyphs(lo, hi, char_class = TRUE) nko(lo, hi, char_class = TRUE) osmanya(lo, hi, char_class = TRUE) tifinagh(lo, hi, char_class = TRUE) vai(lo, hi, char_class = TRUE) arabic(lo, hi, char_class = TRUE) arabic_supplement(lo, hi, char_class = TRUE) arabic_extended_a(lo, hi, char_class = TRUE) arabic_presentation_forms_a(lo, hi, char_class = TRUE) arabic_presentation_forms_b(lo, hi, char_class = TRUE) imperial_aramaic(lo, hi, char_class = TRUE) avestan(lo, hi, char_class = TRUE) carian(lo, hi, char_class = TRUE) cuneiform(lo, hi, char_class = TRUE) cuneiform_numbers_and_punctuation(lo, hi, char_class = TRUE) old_persian(lo, hi, char_class = TRUE) ugaritic(lo, hi, char_class = TRUE) hebrew(lo, hi, char_class = TRUE) lycian(lo, hi, char_class = TRUE) lydian(lo, hi, char_class = TRUE) mandaic(lo, hi, char_class = TRUE) nabataean(lo, hi, char_class = TRUE) old_north_arabian(lo, hi, char_class = TRUE) old_south_arabian(lo, hi, char_class = TRUE) pahlavi_inscriptional(lo, hi, char_class = TRUE) pahlavi_psalter(lo, hi, char_class = TRUE) palmyrene(lo, hi, char_class = TRUE) phoenician(lo, hi, char_class = TRUE) samaritan(lo, hi, char_class = TRUE) syriac(lo, hi, char_class = TRUE) manichaean(lo, hi, char_class = TRUE) mongolian(lo, hi, char_class = TRUE) old_turkic(lo, hi, char_class = TRUE) phags_pa(lo, hi, char_class = TRUE) tibetan(lo, hi, char_class = TRUE) bengali_and_assamese(lo, hi, char_class = TRUE) brahmi(lo, hi, char_class = TRUE) chakma(lo, hi, char_class = TRUE) devanagari(lo, hi, char_class = TRUE) devanagari_extended(lo, hi, char_class = TRUE) grantha(lo, hi, char_class = TRUE) gujarati(lo, hi, char_class = TRUE) gurmukhi(lo, hi, char_class = TRUE) kaithi(lo, hi, char_class = TRUE) kannada(lo, hi, char_class = TRUE) kharoshthi(lo, hi, char_class = TRUE) khojki(lo, hi, char_class = TRUE) khudawadi(lo, hi, char_class = TRUE) lepcha(lo, hi, char_class = TRUE) limbu(lo, hi, char_class = TRUE) mahajani(lo, hi, char_class = TRUE) malayalam(lo, hi, char_class = TRUE) meetei_mayek(lo, hi, char_class = TRUE) meetei_mayek_extensions(lo, hi, char_class = TRUE) modi(lo, hi, char_class = TRUE) mro(lo, hi, char_class = TRUE) ol_chiki(lo, hi, char_class = TRUE) oriya(lo, hi, char_class = TRUE) saurashtra(lo, hi, char_class = TRUE) sharada(lo, hi, char_class = TRUE) siddham(lo, hi, char_class = TRUE) sinhala(lo, hi, char_class = TRUE) sinhala_archaic_numbers(lo, hi, char_class = TRUE) sora_sompeng(lo, hi, char_class = TRUE) syloti_nagri(lo, hi, char_class = TRUE) takri(lo, hi, char_class = TRUE) tamil(lo, hi, char_class = TRUE) telugu(lo, hi, char_class = TRUE) thaana(lo, hi, char_class = TRUE) tirhuta(lo, hi, char_class = TRUE) vedic_extensions(lo, hi, char_class = TRUE) warang_citi(lo, hi, char_class = TRUE) cham(lo, hi, char_class = TRUE) kayah_li(lo, hi, char_class = TRUE) khmer(lo, hi, char_class = TRUE) khmer_symbols(lo, hi, char_class = TRUE) lao(lo, hi, char_class = TRUE) myanmar(lo, hi, char_class = TRUE) myanmar_extended_a(lo, hi, char_class = TRUE) myanmar_extended_b(lo, hi, char_class = TRUE) new_tai_lue(lo, hi, char_class = TRUE) pahawh_hmong(lo, hi, char_class = TRUE) pau_cin_hau(lo, hi, char_class = TRUE) tai_le(lo, hi, char_class = TRUE) tai_tham(lo, hi, char_class = TRUE) tai_viet(lo, hi, char_class = TRUE) thai(lo, hi, char_class = TRUE) balinese(lo, hi, char_class = TRUE) batak(lo, hi, char_class = TRUE) buginese(lo, hi, char_class = TRUE) buhid(lo, hi, char_class = TRUE) hanunoo(lo, hi, char_class = TRUE) javanese(lo, hi, char_class = TRUE) rejang(lo, hi, char_class = TRUE) sundanese(lo, hi, char_class = TRUE) sundanese_supplement(lo, hi, char_class = TRUE) tagalog(lo, hi, char_class = TRUE) tagbanwa(lo, hi, char_class = TRUE) bopomofo(lo, hi, char_class = TRUE) bopomofo_extended(lo, hi, char_class = TRUE) cjk_unified_ideographs(lo, hi, char_class = TRUE) cjk_unified_ideographs_extension_a(lo, hi, char_class = TRUE) cjk_unified_ideographs_extension_b(lo, hi, char_class = TRUE) cjk_unified_ideographs_extension_c(lo, hi, char_class = TRUE) cjk_unified_ideographs_extension_d(lo, hi, char_class = TRUE) cjk_compatibility_ideographs(lo, hi, char_class = TRUE) cjk_compatibility_ideographs_supplement(lo, hi, char_class = TRUE) kangxi_radicals(lo, hi, char_class = TRUE) kangxi_radicals_supplement(lo, hi, char_class = TRUE) cjk_strokes(lo, hi, char_class = TRUE) cjk_ideographic_description_characters(lo, hi, char_class = TRUE) hangul_jamo(lo, hi, char_class = TRUE) hangul_jamo_extended_a(lo, hi, char_class = TRUE) hangul_jamo_extended_b(lo, hi, char_class = TRUE) hangul_compatibility_jamo(lo, hi, char_class = TRUE) hangul_syllables(lo, hi, char_class = TRUE) hiragana(lo, hi, char_class = TRUE) katakana(lo, hi, char_class = TRUE) katakana_phonetic_extensions(lo, hi, char_class = TRUE) kana_supplement(lo, hi, char_class = TRUE) kanbun(lo, hi, char_class = TRUE) lisu(lo, hi, char_class = TRUE) miao(lo, hi, char_class = TRUE) yi_syllables(lo, hi, char_class = TRUE) yi_radicals(lo, hi, char_class = TRUE) cherokee(lo, hi, char_class = TRUE) deseret(lo, hi, char_class = TRUE) unified_canadian_aboriginal_syllabics(lo, hi, char_class = TRUE) unified_canadian_aboriginal_syllabics_extended(lo, hi, char_class = TRUE) alphabetic_presentation_forms(lo, hi, char_class = TRUE) halfwidth_and_fullwidth_forms(lo, hi, char_class = TRUE) general_punctuation(lo, hi, char_class = TRUE) latin_1_punctuation(lo, hi, char_class = TRUE) small_form_variants(lo, hi, char_class = TRUE) supplemental_punctuation(lo, hi, char_class = TRUE) cjk_symbols_and_punctuation(lo, hi, char_class = TRUE) cjk_compatibility_forms(lo, hi, char_class = TRUE) fullwidth_ascii_punctuation(lo, hi, char_class = TRUE) vertical_forms(lo, hi, char_class = TRUE) letterlike_symbols(lo, hi, char_class = TRUE) ancient_symbols(lo, hi, char_class = TRUE) mathematical_alphanumeric_symbols(lo, hi, char_class = TRUE) arabic_mathematical_alphanumeric_symbols(lo, hi, char_class = TRUE) enclosed_alphanumerics(lo, hi, char_class = TRUE) enclosed_alphanumeric_supplement(lo, hi, char_class = TRUE) enclosed_cjk_letters_and_months(lo, hi, char_class = TRUE) enclosed_ideographic_supplement(lo, hi, char_class = TRUE) cjk_compatibility(lo, hi, char_class = TRUE) miscellaneous_technical(lo, hi, char_class = TRUE) control_pictures(lo, hi, char_class = TRUE) optical_character_recognition(lo, hi, char_class = TRUE) combining_diacritic_marks_for_symbols(lo, hi, char_class = TRUE) aegean_numbers(lo, hi, char_class = TRUE) ancient_greek_numbers(lo, hi, char_class = TRUE) fullwidth_ascii_digits(lo, hi, char_class = TRUE) common_indic_number_forms(lo, hi, char_class = TRUE) coptic_epact_numbers(lo, hi, char_class = TRUE) counting_rod_numerals(lo, hi, char_class = TRUE) number_forms(lo, hi, char_class = TRUE) rumi_numeral_symbols(lo, hi, char_class = TRUE) sinhala_archaic_numbers(lo, hi, char_class = TRUE) math_arrows(lo, hi, char_class = TRUE) supplemental_arrows_a(lo, hi, char_class = TRUE) supplemental_arrows_a(lo, hi, char_class = TRUE) supplemental_arrows_a(lo, hi, char_class = TRUE) additional_arrows(lo, hi, char_class = TRUE) supplemental_mathematical_operators(lo, hi, char_class = TRUE) miscellaneous_mathematical_symbols_a(lo, hi, char_class = TRUE) miscellaneous_mathematical_symbols_b(lo, hi, char_class = TRUE) floors_and_ceilings(lo, hi, char_class = TRUE) invisible_operators(lo, hi, char_class = TRUE) geometric_shapes(lo, hi, char_class = TRUE) box_drawing(lo, hi, char_class = TRUE) block_elements(lo, hi, char_class = TRUE) geometric_shapes_extended(lo, hi, char_class = TRUE) alchemical_symbols(lo, hi, char_class = TRUE) braille_patterns(lo, hi, char_class = TRUE) currency_symbols(lo, hi, char_class = TRUE) dingbats(lo, hi, char_class = TRUE) ornamental_dingbats(lo, hi, char_class = TRUE) emoticons(lo, hi, char_class = TRUE) chess_checkers_draughts(lo, hi, char_class = TRUE) domino_tiles(lo, hi, char_class = TRUE) japanese_chess(lo, hi, char_class = TRUE) mahjong_tiles(lo, hi, char_class = TRUE) playing_cards(lo, hi, char_class = TRUE) card_suits(lo, hi, char_class = TRUE) miscellaneous_symbols_and_pictographs(lo, hi, char_class = TRUE) musical_symbols(lo, hi, char_class = TRUE) ancient_greek_musical_notation(lo, hi, char_class = TRUE) byzantine_musical_symbols(lo, hi, char_class = TRUE) transport_and_map_symbols(lo, hi, char_class = TRUE) yijing_mono_di_and_trigrams(lo, hi, char_class = TRUE) yijing_hexagram_symbols(lo, hi, char_class = TRUE) tai_xuan_jing_symbols(lo, hi, char_class = TRUE) specials(lo, hi, char_class = TRUE) tags(lo, hi, char_class = TRUE) variation_selectors(lo, hi, char_class = TRUE) variation_selectors_supplement(lo, hi, char_class = TRUE) private_use_area(lo, hi, char_class = TRUE) supplementary_private_use_area_a(lo, hi, char_class = TRUE) supplementary_private_use_area_b(lo, hi, char_class = TRUE) ARMENIAN ARMENIAN_LIGATURES CAUCASIAN_ALBANIAN CYPRIOT_SYLLABARY CYRILLIC CYRILLIC_SUPPLEMENT CYRILLIC_EXTENDED_A CYRILLIC_EXTENDED_B ELBASAN GEORGIAN GEORGIAN_SUPPLEMENT GLAGOLITIC GOTHIC GREEK_AND_COPTIC GREEK_EXTENDED LATIN LATIN_1_SUPPLEMENT LATIN_EXTENDED_A LATIN_EXTENDED_B LATIN_EXTENDED_C LATIN_EXTENDED_D LATIN_EXTENDED_E LATIN_EXTENDED_ADDITIONAL LATIN_LIGATURES LINEAR_A LINEAR_B_SYLLABARY LINEAR_B_IDEOGRAMS OGHAM OLD_ITALIC OLD_PERMIC PHAISTOS_DISC RUNIC SHAVIAN DUPLOYAN SHORTHAND_FORMAT_CONTROLS IPA_EXTENSIONS PHONETIC_EXTENSIONS PHONETIC_EXTENSIONS_SUPPLEMENT MODIFIER_TONE_LETTERS SPACING_MODIFIER_LETTERS SUPERSCRIPTS_AND_SUBSCRIPTS COMBINING_DIACRITIC_MARKS COMBINING_DIACRITIC_SUPPLEMENT COMBINING_DIACRITIC_EXTENDED COMBINING_HALF_MARKS BAMUN BAMUN_SUPPLEMENT BASSA_VAH COPTIC COPTIC_EPACT_NUMBERS EGYPTIAN_HIEROGLYPHS ETHIOPIC ETHIOPIC_SUPPLEMENT ETHIOPIC_EXTENDED ETHIOPIC_EXTENDED_A MENDE_KIKAKUI MEROITIC_CURSIVE MEROITIC_HIEROGLYPHS NKO OSMANYA TIFINAGH VAI ARABIC ARABIC_SUPPLEMENT ARABIC_EXTENDED_A ARABIC_PRESENTATION_FORMS_A ARABIC_PRESENTATION_FORMS_B IMPERIAL_ARAMAIC AVESTAN CARIAN CUNEIFORM CUNEIFORM_NUMBERS_AND_PUNCTUATION OLD_PERSIAN UGARITIC HEBREW LYCIAN LYDIAN MANDAIC NABATAEAN OLD_NORTH_ARABIAN OLD_SOUTH_ARABIAN PAHLAVI_INSCRIPTIONAL PAHLAVI_PSALTER PALMYRENE PHOENICIAN SAMARITAN SYRIAC MANICHAEAN MONGOLIAN OLD_TURKIC PHAGS_PA TIBETAN BENGALI_AND_ASSAMESE BRAHMI CHAKMA DEVANAGARI DEVANAGARI_EXTENDED GRANTHA GUJARATI GURMUKHI KAITHI KANNADA KHAROSHTHI KHOJKI KHUDAWADI LEPCHA LIMBU MAHAJANI MALAYALAM MEETEI_MAYEK MEETEI_MAYEK_EXTENSIONS MODI MRO OL_CHIKI ORIYA SAURASHTRA SHARADA SIDDHAM SINHALA SINHALA_ARCHAIC_NUMBERS SORA_SOMPENG SYLOTI_NAGRI TAKRI TAMIL TELUGU THAANA TIRHUTA VEDIC_EXTENSIONS WARANG_CITI CHAM KAYAH_LI KHMER KHMER_SYMBOLS LAO MYANMAR MYANMAR_EXTENDED_A MYANMAR_EXTENDED_B NEW_TAI_LUE PAHAWH_HMONG PAU_CIN_HAU TAI_LE TAI_THAM TAI_VIET THAI BALINESE BATAK BUGINESE BUHID HANUNOO JAVANESE REJANG SUNDANESE SUNDANESE_SUPPLEMENT TAGALOG TAGBANWA BOPOMOFO BOPOMOFO_EXTENDED CJK_UNIFIED_IDEOGRAPHS CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D CJK_COMPATIBILITY_IDEOGRAPHS CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT KANGXI_RADICALS KANGXI_RADICALS_SUPPLEMENT CJK_STROKES CJK_IDEOGRAPHIC_DESCRIPTION_CHARACTERS HANGUL_JAMO HANGUL_JAMO_EXTENDED_A HANGUL_JAMO_EXTENDED_B HANGUL_COMPATIBILITY_JAMO HANGUL_SYLLABLES HIRAGANA KATAKANA KATAKANA_PHONETIC_EXTENSIONS KANA_SUPPLEMENT KANBUN LISU MIAO YI_SYLLABLES YI_RADICALS CHEROKEE DESERET UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS_EXTENDED ALPHABETIC_PRESENTATION_FORMS HALFWIDTH_AND_FULLWIDTH_FORMS GENERAL_PUNCTUATION LATIN_1_PUNCTUATION SMALL_FORM_VARIANTS SUPPLEMENTAL_PUNCTUATION CJK_SYMBOLS_AND_PUNCTUATION CJK_COMPATIBILITY_FORMS FULLWIDTH_ASCII_PUNCTUATION VERTICAL_FORMS LETTERLIKE_SYMBOLS ANCIENT_SYMBOLS MATHEMATICAL_ALPHANUMERIC_SYMBOLS ARABIC_MATHEMATICAL_ALPHANUMERIC_SYMBOLS ENCLOSED_ALPHANUMERICS ENCLOSED_ALPHANUMERIC_SUPPLEMENT ENCLOSED_CJK_LETTERS_AND_MONTHS ENCLOSED_IDEOGRAPHIC_SUPPLEMENT CJK_COMPATIBILITY MISCELLANEOUS_TECHNICAL CONTROL_PICTURES OPTICAL_CHARACTER_RECOGNITION COMBINING_DIACRITIC_MARKS_FOR_SYMBOLS AEGEAN_NUMBERS ANCIENT_GREEK_NUMBERS FULLWIDTH_ASCII_DIGITS COMMON_INDIC_NUMBER_FORMS COPTIC_EPACT_NUMBERS COUNTING_ROD_NUMERALS NUMBER_FORMS RUMI_NUMERAL_SYMBOLS SINHALA_ARCHAIC_NUMBERS MATH_ARROWS SUPPLEMENTAL_ARROWS_A SUPPLEMENTAL_ARROWS_A SUPPLEMENTAL_ARROWS_A ADDITIONAL_ARROWS SUPPLEMENTAL_MATHEMATICAL_OPERATORS MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B FLOORS_AND_CEILINGS INVISIBLE_OPERATORS GEOMETRIC_SHAPES BOX_DRAWING BLOCK_ELEMENTS GEOMETRIC_SHAPES_EXTENDED ALCHEMICAL_SYMBOLS BRAILLE_PATTERNS CURRENCY_SYMBOLS DINGBATS ORNAMENTAL_DINGBATS EMOTICONS CHESS_CHECKERS_DRAUGHTS DOMINO_TILES JAPANESE_CHESS MAHJONG_TILES PLAYING_CARDS CARD_SUITS MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS MUSICAL_SYMBOLS ANCIENT_GREEK_MUSICAL_NOTATION BYZANTINE_MUSICAL_SYMBOLS TRANSPORT_AND_MAP_SYMBOLS YIJING_MONO_DI_AND_TRIGRAMS YIJING_HEXAGRAM_SYMBOLS TAI_XUAN_JING_SYMBOLS SPECIALS TAGS VARIATION_SELECTORS VARIATION_SELECTORS_SUPPLEMENT PRIVATE_USE_AREA SUPPLEMENTARY_PRIVATE_USE_AREA_A SUPPLEMENTARY_PRIVATE_USE_AREA_B
lo |
A non-negative integer. Minimum number of repeats, when grouped. |
hi |
positive integer. Maximum number of repeats, when grouped. |
char_class |
|
An object of class regex (inherits from character) of length 1.
A character vector representing part or all of a regular expression.
Windows currently doesn't handle Unicode points with more than four digits correctly. See https://bugs.r-project.org/bugzilla3/show_bug.cgi?id=16098
# Classes
latin()
greek_and_coptic()
cyrillic()
arabic()
# With repetition
hebrew(3, 6)
hiragana(1, Inf)
katakana(0, Inf)
# Without a class wrapper
cjk_unified_ideographs(char_class = FALSE)
# Constants
ARMENIAN
LINEAR_B_IDEOGRAMS
DUPLOYAN
OSMANYA
## Not run:
# All the Unicode characer classes
# Not run, since it generates lots of output
setdiff(
ls("package:rebus.unicode", pattern = lower()),
ls(
"package:rebus.unicode",
pattern = START %R% case_insensitive(or("up", "ugc", "unicode")))
)
## End(Not run)
# Usage
pythag <- "\u03b1^2 + \u03b2^2 = \u03b3^2"
stringi::stri_extract_all_regex(pythag, greek_and_coptic())Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.