# Generated by roxygen2 (4.1.0): do not edit by hand

S3method(format,perl_regex)
S3method(format,regex)
S3method(print,regex)
export("%R%")
export("%c%")
export("%|%")
export(ADDITIONAL_ARROWS)
export(AEGEAN_NUMBERS)
export(ALCHEMICAL_SYMBOLS)
export(ALNUM)
export(ALPHA)
export(ALPHABETIC_PRESENTATION_FORMS)
export(AM_PM)
export(ANCIENT_GREEK_MUSICAL_NOTATION)
export(ANCIENT_GREEK_NUMBERS)
export(ANCIENT_SYMBOLS)
export(ANY_CHAR)
export(ARABIC)
export(ARABIC_EXTENDED_A)
export(ARABIC_MATHEMATICAL_ALPHANUMERIC_SYMBOLS)
export(ARABIC_PRESENTATION_FORMS_A)
export(ARABIC_PRESENTATION_FORMS_B)
export(ARABIC_SUPPLEMENT)
export(ARMENIAN)
export(ARMENIAN_LIGATURES)
export(ASCII_ALNUM)
export(ASCII_ALPHA)
export(ASCII_DIGIT)
export(ASCII_LOWER)
export(ASCII_UPPER)
export(AVESTAN)
export(BACKSLASH)
export(BALINESE)
export(BAMUN)
export(BAMUN_SUPPLEMENT)
export(BASSA_VAH)
export(BATAK)
export(BENGALI_AND_ASSAMESE)
export(BLANK)
export(BLOCK_ELEMENTS)
export(BOPOMOFO)
export(BOPOMOFO_EXTENDED)
export(BOUNDARY)
export(BOX_DRAWING)
export(BRAHMI)
export(BRAILLE_PATTERNS)
export(BUGINESE)
export(BUHID)
export(BYZANTINE_MUSICAL_SYMBOLS)
export(CARD_SUITS)
export(CARET)
export(CARIAN)
export(CAUCASIAN_ALBANIAN)
export(CENTURY)
export(CHAKMA)
export(CHAM)
export(CHEROKEE)
export(CHESS_CHECKERS_DRAUGHTS)
export(CJK_COMPATIBILITY)
export(CJK_COMPATIBILITY_FORMS)
export(CJK_COMPATIBILITY_IDEOGRAPHS)
export(CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT)
export(CJK_IDEOGRAPHIC_DESCRIPTION_CHARACTERS)
export(CJK_STROKES)
export(CJK_SYMBOLS_AND_PUNCTUATION)
export(CJK_UNIFIED_IDEOGRAPHS)
export(CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A)
export(CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B)
export(CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C)
export(CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D)
export(CLOSE_PAREN)
export(CNTRL)
export(COMBINING_DIACRITIC_EXTENDED)
export(COMBINING_DIACRITIC_MARKS)
export(COMBINING_DIACRITIC_MARKS_FOR_SYMBOLS)
export(COMBINING_DIACRITIC_SUPPLEMENT)
export(COMBINING_HALF_MARKS)
export(COMMON_INDIC_NUMBER_FORMS)
export(CONTROL_PICTURES)
export(COPTIC)
export(COPTIC_EPACT_NUMBERS)
export(COUNTING_ROD_NUMERALS)
export(CUNEIFORM)
export(CUNEIFORM_NUMBERS_AND_PUNCTUATION)
export(CURRENCY_SYMBOLS)
export(CYPRIOT_SYLLABARY)
export(CYRILLIC)
export(CYRILLIC_EXTENDED_A)
export(CYRILLIC_EXTENDED_B)
export(CYRILLIC_SUPPLEMENT)
export(DAY)
export(DAY_OF_YEAR)
export(DAY_SINGLE)
export(DESERET)
export(DEVANAGARI)
export(DEVANAGARI_EXTENDED)
export(DGT)
export(DIGIT)
export(DINGBATS)
export(DMY)
export(DOLLAR)
export(DOMINO_TILES)
export(DOT)
export(DTSEP)
export(DUPLOYAN)
export(DYM)
export(EGYPTIAN_HIEROGLYPHS)
export(ELBASAN)
export(EMOTICONS)
export(ENCLOSED_ALPHANUMERICS)
export(ENCLOSED_ALPHANUMERIC_SUPPLEMENT)
export(ENCLOSED_CJK_LETTERS_AND_MONTHS)
export(ENCLOSED_IDEOGRAPHIC_SUPPLEMENT)
export(END)
export(ETHIOPIC)
export(ETHIOPIC_EXTENDED)
export(ETHIOPIC_EXTENDED_A)
export(ETHIOPIC_SUPPLEMENT)
export(FLOORS_AND_CEILINGS)
export(FRACTIONAL_SECOND)
export(FULLWIDTH_ASCII_DIGITS)
export(FULLWIDTH_ASCII_PUNCTUATION)
export(GENERAL_PUNCTUATION)
export(GEOMETRIC_SHAPES)
export(GEOMETRIC_SHAPES_EXTENDED)
export(GEORGIAN)
export(GEORGIAN_SUPPLEMENT)
export(GLAGOLITIC)
export(GOTHIC)
export(GRANTHA)
export(GRAPH)
export(GREEK_AND_COPTIC)
export(GREEK_EXTENDED)
export(GUJARATI)
export(GURMUKHI)
export(HALFWIDTH_AND_FULLWIDTH_FORMS)
export(HANGUL_COMPATIBILITY_JAMO)
export(HANGUL_JAMO)
export(HANGUL_JAMO_EXTENDED_A)
export(HANGUL_JAMO_EXTENDED_B)
export(HANGUL_SYLLABLES)
export(HANUNOO)
export(HEBREW)
export(HEX_DIGIT)
export(HIRAGANA)
export(HM)
export(HMS)
export(HOUR12)
export(HOUR12_SINGLE)
export(HOUR24)
export(HOUR24_SINGLE)
export(IMPERIAL_ARAMAIC)
export(INVISIBLE_OPERATORS)
export(IPA_EXTENSIONS)
export(ISO_DATE)
export(ISO_DATETIME)
export(ISO_TIME)
export(JAPANESE_CHESS)
export(JAVANESE)
export(KAITHI)
export(KANA_SUPPLEMENT)
export(KANBUN)
export(KANGXI_RADICALS)
export(KANGXI_RADICALS_SUPPLEMENT)
export(KANNADA)
export(KATAKANA)
export(KATAKANA_PHONETIC_EXTENSIONS)
export(KAYAH_LI)
export(KHAROSHTHI)
export(KHMER)
export(KHMER_SYMBOLS)
export(KHOJKI)
export(KHUDAWADI)
export(LAO)
export(LATIN)
export(LATIN_1_PUNCTUATION)
export(LATIN_1_SUPPLEMENT)
export(LATIN_EXTENDED_A)
export(LATIN_EXTENDED_ADDITIONAL)
export(LATIN_EXTENDED_B)
export(LATIN_EXTENDED_C)
export(LATIN_EXTENDED_D)
export(LATIN_EXTENDED_E)
export(LATIN_LIGATURES)
export(LEPCHA)
export(LETTERLIKE_SYMBOLS)
export(LIMBU)
export(LINEAR_A)
export(LINEAR_B_IDEOGRAMS)
export(LINEAR_B_SYLLABARY)
export(LISU)
export(LOWER)
export(LYCIAN)
export(LYDIAN)
export(MAHAJANI)
export(MAHJONG_TILES)
export(MALAYALAM)
export(MANDAIC)
export(MANICHAEAN)
export(MATHEMATICAL_ALPHANUMERIC_SYMBOLS)
export(MATH_ARROWS)
export(MDY)
export(MEETEI_MAYEK)
export(MEETEI_MAYEK_EXTENSIONS)
export(MENDE_KIKAKUI)
export(MEROITIC_CURSIVE)
export(MEROITIC_HIEROGLYPHS)
export(MIAO)
export(MINUTE)
export(MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A)
export(MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B)
export(MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS)
export(MISCELLANEOUS_TECHNICAL)
export(MODI)
export(MODIFIER_TONE_LETTERS)
export(MONGOLIAN)
export(MONTH)
export(MRO)
export(MS)
export(MUSICAL_SYMBOLS)
export(MYANMAR)
export(MYANMAR_EXTENDED_A)
export(MYANMAR_EXTENDED_B)
export(MYD)
export(NABATAEAN)
export(NEW_TAI_LUE)
export(NKO)
export(NOT_BOUNDARY)
export(NOT_DGT)
export(NOT_SPC)
export(NOT_WRD)
export(NUMBER_FORMS)
export(OGHAM)
export(OLD_ITALIC)
export(OLD_NORTH_ARABIAN)
export(OLD_PERMIC)
export(OLD_PERSIAN)
export(OLD_SOUTH_ARABIAN)
export(OLD_TURKIC)
export(OL_CHIKI)
export(OPEN_BRACE)
export(OPEN_BRACKET)
export(OPEN_PAREN)
export(OPTICAL_CHARACTER_RECOGNITION)
export(ORIYA)
export(ORNAMENTAL_DINGBATS)
export(OSMANYA)
export(PAHAWH_HMONG)
export(PAHLAVI_INSCRIPTIONAL)
export(PAHLAVI_PSALTER)
export(PALMYRENE)
export(PAU_CIN_HAU)
export(PHAGS_PA)
export(PHAISTOS_DISC)
export(PHOENICIAN)
export(PHONETIC_EXTENSIONS)
export(PHONETIC_EXTENSIONS_SUPPLEMENT)
export(PIPE)
export(PLAYING_CARDS)
export(PLUS)
export(PRINT)
export(PRIVATE_USE_AREA)
export(PUNCT)
export(QUESTION)
export(REF1)
export(REF2)
export(REF3)
export(REF4)
export(REF5)
export(REF6)
export(REF7)
export(REF8)
export(REF9)
export(REJANG)
export(ROMAN)
export(RUMI_NUMERAL_SYMBOLS)
export(RUNIC)
export(SAMARITAN)
export(SAURASHTRA)
export(SECOND)
export(SHARADA)
export(SHAVIAN)
export(SHORTHAND_FORMAT_CONTROLS)
export(SIDDHAM)
export(SINHALA)
export(SINHALA_ARCHAIC_NUMBERS)
export(SMALL_FORM_VARIANTS)
export(SORA_SOMPENG)
export(SPACE)
export(SPACING_MODIFIER_LETTERS)
export(SPC)
export(SPECIALS)
export(STAR)
export(START)
export(SUNDANESE)
export(SUNDANESE_SUPPLEMENT)
export(SUPERSCRIPTS_AND_SUBSCRIPTS)
export(SUPPLEMENTAL_ARROWS_A)
export(SUPPLEMENTAL_MATHEMATICAL_OPERATORS)
export(SUPPLEMENTAL_PUNCTUATION)
export(SUPPLEMENTARY_PRIVATE_USE_AREA_A)
export(SUPPLEMENTARY_PRIVATE_USE_AREA_B)
export(SYLOTI_NAGRI)
export(SYRIAC)
export(TAGALOG)
export(TAGBANWA)
export(TAGS)
export(TAI_LE)
export(TAI_THAM)
export(TAI_VIET)
export(TAI_XUAN_JING_SYMBOLS)
export(TAKRI)
export(TAMIL)
export(TELUGU)
export(THAANA)
export(THAI)
export(TIBETAN)
export(TIFINAGH)
export(TIMEZONE)
export(TIMEZONE_OFFSET)
export(TIRHUTA)
export(TRANSPORT_AND_MAP_SYMBOLS)
export(UGARITIC)
export(UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS)
export(UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS_EXTENDED)
export(UNMATCHABLE)
export(UPPER)
export(VAI)
export(VARIATION_SELECTORS)
export(VARIATION_SELECTORS_SUPPLEMENT)
export(VEDIC_EXTENSIONS)
export(VERTICAL_FORMS)
export(WARANG_CITI)
export(WEEKDAY0)
export(WEEKDAY1)
export(WEEK_OF_YEAR)
export(WRD)
export(YDM)
export(YEAR)
export(YEAR2)
export(YEAR4)
export(YIJING_HEXAGRAM_SYMBOLS)
export(YIJING_MONO_DI_AND_TRIGRAMS)
export(YI_RADICALS)
export(YI_SYLLABLES)
export(YMD)
export(additional_arrows)
export(aegean_numbers)
export(alchemical_symbols)
export(alnum)
export(alpha)
export(alphabetic_presentation_forms)
export(ancient_greek_musical_notation)
export(ancient_greek_numbers)
export(ancient_symbols)
export(any_char)
export(arabic)
export(arabic_extended_a)
export(arabic_mathematical_alphanumeric_symbols)
export(arabic_presentation_forms_a)
export(arabic_presentation_forms_b)
export(arabic_supplement)
export(armenian)
export(armenian_ligatures)
export(as.perl_regex)
export(as.regex)
export(ascii_alnum)
export(ascii_alpha)
export(ascii_digit)
export(ascii_lower)
export(ascii_upper)
export(avestan)
export(balinese)
export(bamun)
export(bamun_supplement)
export(bassa_vah)
export(batak)
export(bengali_and_assamese)
export(blank)
export(block_elements)
export(bopomofo)
export(bopomofo_extended)
export(box_drawing)
export(brahmi)
export(braille_patterns)
export(buginese)
export(buhid)
export(byzantine_musical_symbols)
export(capture)
export(card_suits)
export(carian)
export(caucasian_albanian)
export(chakma)
export(cham)
export(char_class)
export(char_range)
export(cherokee)
export(chess_checkers_draughts)
export(cjk_compatibility)
export(cjk_compatibility_forms)
export(cjk_compatibility_ideographs)
export(cjk_compatibility_ideographs_supplement)
export(cjk_ideographic_description_characters)
export(cjk_strokes)
export(cjk_symbols_and_punctuation)
export(cjk_unified_ideographs)
export(cjk_unified_ideographs_extension_a)
export(cjk_unified_ideographs_extension_b)
export(cjk_unified_ideographs_extension_c)
export(cjk_unified_ideographs_extension_d)
export(cntrl)
export(combining_diacritic_extended)
export(combining_diacritic_marks)
export(combining_diacritic_marks_for_symbols)
export(combining_diacritic_supplement)
export(combining_half_marks)
export(common_indic_number_forms)
export(control_pictures)
export(coptic)
export(coptic_epact_numbers)
export(counting_rod_numerals)
export(cuneiform)
export(cuneiform_numbers_and_punctuation)
export(currency_symbols)
export(cypriot_syllabary)
export(cyrillic)
export(cyrillic_extended_a)
export(cyrillic_extended_b)
export(cyrillic_supplement)
export(datetime)
export(deseret)
export(devanagari)
export(devanagari_extended)
export(dgt)
export(digit)
export(dingbats)
export(domino_tiles)
export(duployan)
export(egyptian_hieroglyphs)
export(elbasan)
export(emoticons)
export(enclosed_alphanumeric_supplement)
export(enclosed_alphanumerics)
export(enclosed_cjk_letters_and_months)
export(enclosed_ideographic_supplement)
export(escape_special)
export(ethiopic)
export(ethiopic_extended)
export(ethiopic_extended_a)
export(ethiopic_supplement)
export(exactly)
export(floors_and_ceilings)
export(fullwidth_ascii_digits)
export(fullwidth_ascii_punctuation)
export(general_punctuation)
export(geometric_shapes)
export(geometric_shapes_extended)
export(georgian)
export(georgian_supplement)
export(get_months)
export(get_weekdays)
export(glagolitic)
export(gothic)
export(grantha)
export(graph)
export(greek_and_coptic)
export(greek_extended)
export(group)
export(gujarati)
export(gurmukhi)
export(halfwidth_and_fullwidth_forms)
export(hangul_compatibility_jamo)
export(hangul_jamo)
export(hangul_jamo_extended_a)
export(hangul_jamo_extended_b)
export(hangul_syllables)
export(hanunoo)
export(hebrew)
export(hex_digit)
export(hiragana)
export(imperial_aramaic)
export(invisible_operators)
export(ipa_extensions)
export(is.perl_regex)
export(is.regex)
export(iso_date)
export(iso_datetime)
export(iso_time)
export(japanese_chess)
export(javanese)
export(kaithi)
export(kana_supplement)
export(kanbun)
export(kangxi_radicals)
export(kangxi_radicals_supplement)
export(kannada)
export(katakana)
export(katakana_phonetic_extensions)
export(kayah_li)
export(kharoshthi)
export(khmer)
export(khmer_symbols)
export(khojki)
export(khudawadi)
export(lao)
export(latin)
export(latin_1_punctuation)
export(latin_1_supplement)
export(latin_extended_a)
export(latin_extended_additional)
export(latin_extended_b)
export(latin_extended_c)
export(latin_extended_d)
export(latin_extended_e)
export(latin_ligatures)
export(lazy)
export(lepcha)
export(letterlike_symbols)
export(limbu)
export(linear_a)
export(linear_b_ideograms)
export(linear_b_syllabary)
export(lisu)
export(literal)
export(lookahead)
export(lookbehind)
export(lower)
export(lycian)
export(lydian)
export(mahajani)
export(mahjong_tiles)
export(malayalam)
export(mandaic)
export(manichaean)
export(math_arrows)
export(mathematical_alphanumeric_symbols)
export(meetei_mayek)
export(meetei_mayek_extensions)
export(mende_kikakui)
export(meroitic_cursive)
export(meroitic_hieroglyphs)
export(miao)
export(miscellaneous_mathematical_symbols_a)
export(miscellaneous_mathematical_symbols_b)
export(miscellaneous_symbols_and_pictographs)
export(miscellaneous_technical)
export(modi)
export(modifier_tone_letters)
export(mongolian)
export(mro)
export(musical_symbols)
export(myanmar)
export(myanmar_extended_a)
export(myanmar_extended_b)
export(nabataean)
export(negate_and_group)
export(negated_char_class)
export(negative_lookahead)
export(negative_lookbehind)
export(new_tai_lue)
export(nko)
export(not_dgt)
export(not_spc)
export(not_wrd)
export(number_forms)
export(number_range)
export(ogham)
export(ol_chiki)
export(old_italic)
export(old_north_arabian)
export(old_permic)
export(old_persian)
export(old_south_arabian)
export(old_turkic)
export(one_or_more)
export(optical_character_recognition)
export(optional)
export(or)
export(or1)
export(oriya)
export(ornamental_dingbats)
export(osmanya)
export(pahawh_hmong)
export(pahlavi_inscriptional)
export(pahlavi_psalter)
export(palmyrene)
export(pau_cin_hau)
export(perl_regex)
export(phags_pa)
export(phaistos_disc)
export(phoenician)
export(phonetic_extensions)
export(phonetic_extensions_supplement)
export(playing_cards)
export(printable)
export(private_use_area)
export(punct)
export(recursive)
export(regex)
export(rejang)
export(repeated)
export(roman)
export(rumi_numeral_symbols)
export(runic)
export(samaritan)
export(saurashtra)
export(sharada)
export(shavian)
export(shorthand_format_controls)
export(siddham)
export(sinhala)
export(sinhala_archaic_numbers)
export(small_form_variants)
export(sora_sompeng)
export(space)
export(spacing_modifier_letters)
export(spc)
export(specials)
export(sundanese)
export(sundanese_supplement)
export(superscripts_and_subscripts)
export(supplemental_arrows_a)
export(supplemental_mathematical_operators)
export(supplemental_punctuation)
export(supplementary_private_use_area_a)
export(supplementary_private_use_area_b)
export(syloti_nagri)
export(syriac)
export(tagalog)
export(tagbanwa)
export(tags)
export(tai_le)
export(tai_tham)
export(tai_viet)
export(tai_xuan_jing_symbols)
export(takri)
export(tamil)
export(telugu)
export(thaana)
export(thai)
export(tibetan)
export(tifinagh)
export(tirhuta)
export(token)
export(transport_and_map_symbols)
export(ugaritic)
export(unified_canadian_aboriginal_syllabics)
export(unified_canadian_aboriginal_syllabics_extended)
export(upper)
export(vai)
export(variation_selectors)
export(variation_selectors_supplement)
export(vedic_extensions)
export(vertical_forms)
export(warang_citi)
export(wrd)
export(yi_radicals)
export(yi_syllables)
export(yijing_hexagram_symbols)
export(yijing_mono_di_and_trigrams)
export(zero_or_more)
importFrom(utils,as.roman)
