A B C D E F G H I J K L M N O P Q R S T U V W Y Z misc
| rebus-package | rebus: Regular Expression Builder, Um, Something | 
| ADDITIONAL_ARROWS | Unicode classes | 
| additional_arrows | Unicode classes | 
| AEGEAN_NUMBERS | Unicode classes | 
| aegean_numbers | Unicode classes | 
| ALCHEMICAL_SYMBOLS | Unicode classes | 
| alchemical_symbols | Unicode classes | 
| ALNUM | Class Constants | 
| alnum | Character classes | 
| ALPHA | Class Constants | 
| alpha | Character classes | 
| ALPHABETIC_PRESENTATION_FORMS | Unicode classes | 
| alphabetic_presentation_forms | Unicode classes | 
| AM_PM | Date-time regexes | 
| Anchors | The start or end of a string | 
| ANCIENT_GREEK_MUSICAL_NOTATION | Unicode classes | 
| ancient_greek_musical_notation | Unicode classes | 
| ANCIENT_GREEK_NUMBERS | Unicode classes | 
| ancient_greek_numbers | Unicode classes | 
| ANCIENT_SYMBOLS | Unicode classes | 
| ancient_symbols | Unicode classes | 
| ANY_CHAR | Class Constants | 
| any_char | Character classes | 
| ARABIC | Unicode classes | 
| arabic | Unicode classes | 
| ARABIC_EXTENDED_A | Unicode classes | 
| arabic_extended_a | Unicode classes | 
| ARABIC_MATHEMATICAL_ALPHANUMERIC_SYMBOLS | Unicode classes | 
| arabic_mathematical_alphanumeric_symbols | Unicode classes | 
| ARABIC_PRESENTATION_FORMS_A | Unicode classes | 
| arabic_presentation_forms_a | Unicode classes | 
| ARABIC_PRESENTATION_FORMS_B | Unicode classes | 
| arabic_presentation_forms_b | Unicode classes | 
| ARABIC_SUPPLEMENT | Unicode classes | 
| arabic_supplement | Unicode classes | 
| ARMENIAN | Unicode classes | 
| armenian | Unicode classes | 
| ARMENIAN_LIGATURES | Unicode classes | 
| armenian_ligatures | Unicode classes | 
| as.regex | Convert or test for regex objects | 
| ASCII_ALNUM | Class Constants | 
| ascii_alnum | Character classes | 
| ASCII_ALPHA | Class Constants | 
| ascii_alpha | Character classes | 
| ASCII_DIGIT | Class Constants | 
| ascii_digit | Character classes | 
| ASCII_LOWER | Class Constants | 
| ascii_lower | Character classes | 
| ASCII_UPPER | Class Constants | 
| ascii_upper | Character classes | 
| as_lower | Force the case of replacement values | 
| as_upper | Force the case of replacement values | 
| AVESTAN | Unicode classes | 
| avestan | Unicode classes | 
| Backreferences | Backreferences | 
| BACKSLASH | Special characters | 
| BALINESE | Unicode classes | 
| balinese | Unicode classes | 
| BAMUN | Unicode classes | 
| bamun | Unicode classes | 
| BAMUN_SUPPLEMENT | Unicode classes | 
| bamun_supplement | Unicode classes | 
| BASSA_VAH | Unicode classes | 
| bassa_vah | Unicode classes | 
| BATAK | Unicode classes | 
| batak | Unicode classes | 
| BENGALI_AND_ASSAMESE | Unicode classes | 
| bengali_and_assamese | Unicode classes | 
| BLANK | Class Constants | 
| blank | Character classes | 
| BLOCK_ELEMENTS | Unicode classes | 
| block_elements | Unicode classes | 
| BOPOMOFO | Unicode classes | 
| bopomofo | Unicode classes | 
| BOPOMOFO_EXTENDED | Unicode classes | 
| bopomofo_extended | Unicode classes | 
| BOUNDARY | Word boundaries | 
| BOX_DRAWING | Unicode classes | 
| box_drawing | Unicode classes | 
| BRAHMI | Unicode classes | 
| brahmi | Unicode classes | 
| BRAILLE_PATTERNS | Unicode classes | 
| braille_patterns | Unicode classes | 
| BUGINESE | Unicode classes | 
| buginese | Unicode classes | 
| BUHID | Unicode classes | 
| buhid | Unicode classes | 
| BYZANTINE_MUSICAL_SYMBOLS | Unicode classes | 
| byzantine_musical_symbols | Unicode classes | 
| DateTime | Date-time regexes | 
| datetime | Date-time regexes | 
| DAY | Date-time regexes | 
| DAY_IN | Date-time regexes | 
| DAY_OF_YEAR | Date-time regexes | 
| DAY_OF_YEAR_IN | Date-time regexes | 
| DAY_SINGLE | Date-time regexes | 
| DESERET | Unicode classes | 
| deseret | Unicode classes | 
| DEVANAGARI | Unicode classes | 
| devanagari | Unicode classes | 
| DEVANAGARI_EXTENDED | Unicode classes | 
| devanagari_extended | Unicode classes | 
| DGT | Class Constants | 
| dgt | Character classes | 
| DIGIT | Class Constants | 
| digit | Character classes | 
| DINGBATS | Unicode classes | 
| dingbats | Unicode classes | 
| DMY | Date-time regexes | 
| DMY_IN | Date-time regexes | 
| DOLLAR | Special characters | 
| DOMINO_TILES | Unicode classes | 
| domino_tiles | Unicode classes | 
| DOT | Special characters | 
| DTSEP | Date-time regexes | 
| duplicate_group_names | Apply mode modifiers | 
| DUPLOYAN | Unicode classes | 
| duployan | Unicode classes | 
| DYM | Date-time regexes | 
| DYM_IN | Date-time regexes | 
| EGYPTIAN_HIEROGLYPHS | Unicode classes | 
| egyptian_hieroglyphs | Unicode classes | 
| ELBASAN | Unicode classes | 
| elbasan | Unicode classes | 
| EMOTICONS | Unicode classes | 
| emoticons | Unicode classes | 
| ENCLOSED_ALPHANUMERICS | Unicode classes | 
| enclosed_alphanumerics | Unicode classes | 
| ENCLOSED_ALPHANUMERIC_SUPPLEMENT | Unicode classes | 
| enclosed_alphanumeric_supplement | Unicode classes | 
| ENCLOSED_CJK_LETTERS_AND_MONTHS | Unicode classes | 
| enclosed_cjk_letters_and_months | Unicode classes | 
| ENCLOSED_IDEOGRAPHIC_SUPPLEMENT | Unicode classes | 
| enclosed_ideographic_supplement | Unicode classes | 
| END | The start or end of a string | 
| engroup | Capture a token, or not | 
| escape_special | Escape special characters | 
| ETHIOPIC | Unicode classes | 
| ethiopic | Unicode classes | 
| ETHIOPIC_EXTENDED | Unicode classes | 
| ethiopic_extended | Unicode classes | 
| ETHIOPIC_EXTENDED_A | Unicode classes | 
| ethiopic_extended_a | Unicode classes | 
| ETHIOPIC_SUPPLEMENT | Unicode classes | 
| ethiopic_supplement | Unicode classes | 
| exactly | Make a regex exact | 
| FLOORS_AND_CEILINGS | Unicode classes | 
| floors_and_ceilings | Unicode classes | 
| format.regex | Print or format regex objects | 
| FRACTIONAL_SECOND | Date-time regexes | 
| FRACTIONAL_SECOND_IN | Date-time regexes | 
| free_spacing | Apply mode modifiers | 
| FULLWIDTH_ASCII_DIGITS | Unicode classes | 
| fullwidth_ascii_digits | Unicode classes | 
| FULLWIDTH_ASCII_PUNCTUATION | Unicode classes | 
| fullwidth_ascii_punctuation | Unicode classes | 
| GENERAL_PUNCTUATION | Unicode classes | 
| general_punctuation | Unicode classes | 
| GEOMETRIC_SHAPES | Unicode classes | 
| geometric_shapes | Unicode classes | 
| GEOMETRIC_SHAPES_EXTENDED | Unicode classes | 
| geometric_shapes_extended | Unicode classes | 
| GEORGIAN | Unicode classes | 
| georgian | Unicode classes | 
| GEORGIAN_SUPPLEMENT | Unicode classes | 
| georgian_supplement | Unicode classes | 
| get_months | Get the days of the week or months of the year | 
| get_weekdays | Get the days of the week or months of the year | 
| GLAGOLITIC | Unicode classes | 
| glagolitic | Unicode classes | 
| GOTHIC | Unicode classes | 
| gothic | Unicode classes | 
| GRANTHA | Unicode classes | 
| grantha | Unicode classes | 
| GRAPH | Class Constants | 
| graph | Character classes | 
| GRAPHEME | Class Constants | 
| grapheme | Character classes | 
| GREEK_AND_COPTIC | Unicode classes | 
| greek_and_coptic | Unicode classes | 
| GREEK_EXTENDED | Unicode classes | 
| greek_extended | Unicode classes | 
| group | Capture a token, or not | 
| GUJARATI | Unicode classes | 
| gujarati | Unicode classes | 
| GURMUKHI | Unicode classes | 
| gurmukhi | Unicode classes | 
| HALFWIDTH_AND_FULLWIDTH_FORMS | Unicode classes | 
| halfwidth_and_fullwidth_forms | Unicode classes | 
| HANGUL_COMPATIBILITY_JAMO | Unicode classes | 
| hangul_compatibility_jamo | Unicode classes | 
| HANGUL_JAMO | Unicode classes | 
| hangul_jamo | Unicode classes | 
| HANGUL_JAMO_EXTENDED_A | Unicode classes | 
| hangul_jamo_extended_a | Unicode classes | 
| HANGUL_JAMO_EXTENDED_B | Unicode classes | 
| hangul_jamo_extended_b | Unicode classes | 
| HANGUL_SYLLABLES | Unicode classes | 
| hangul_syllables | Unicode classes | 
| HANUNOO | Unicode classes | 
| hanunoo | Unicode classes | 
| HEBREW | Unicode classes | 
| hebrew | Unicode classes | 
| HEX_DIGIT | Class Constants | 
| hex_digit | Character classes | 
| HIRAGANA | Unicode classes | 
| hiragana | Unicode classes | 
| HM | Date-time regexes | 
| HMS | Date-time regexes | 
| HMS_IN | Date-time regexes | 
| HM_IN | Date-time regexes | 
| HOUR12 | Date-time regexes | 
| HOUR12_IN | Date-time regexes | 
| HOUR12_SINGLE | Date-time regexes | 
| HOUR24 | Date-time regexes | 
| HOUR24_IN | Date-time regexes | 
| HOUR24_SINGLE | Date-time regexes | 
| ICU_REF1 | Backreferences | 
| ICU_REF2 | Backreferences | 
| ICU_REF3 | Backreferences | 
| ICU_REF4 | Backreferences | 
| ICU_REF5 | Backreferences | 
| ICU_REF6 | Backreferences | 
| ICU_REF7 | Backreferences | 
| ICU_REF8 | Backreferences | 
| ICU_REF9 | Backreferences | 
| IMPERIAL_ARAMAIC | Unicode classes | 
| imperial_aramaic | Unicode classes | 
| INVISIBLE_OPERATORS | Unicode classes | 
| invisible_operators | Unicode classes | 
| IPA_EXTENSIONS | Unicode classes | 
| ipa_extensions | Unicode classes | 
| is.regex | Convert or test for regex objects | 
| IsoClasses | ISO 8601 date-time classes | 
| IsoDateTime | ISO 8601 date-time classes | 
| ISO_DATE | Date-time regexes | 
| iso_date | ISO 8601 date-time classes | 
| ISO_DATETIME | Date-time regexes | 
| iso_datetime | ISO 8601 date-time classes | 
| ISO_DATETIME_IN | Date-time regexes | 
| ISO_DATE_IN | Date-time regexes | 
| ISO_TIME | Date-time regexes | 
| iso_time | ISO 8601 date-time classes | 
| ISO_TIME_IN | Date-time regexes | 
| JAPANESE_CHESS | Unicode classes | 
| japanese_chess | Unicode classes | 
| JAVANESE | Unicode classes | 
| javanese | Unicode classes | 
| KAITHI | Unicode classes | 
| kaithi | Unicode classes | 
| KANA_SUPPLEMENT | Unicode classes | 
| kana_supplement | Unicode classes | 
| KANBUN | Unicode classes | 
| kanbun | Unicode classes | 
| KANGXI_RADICALS | Unicode classes | 
| kangxi_radicals | Unicode classes | 
| KANGXI_RADICALS_SUPPLEMENT | Unicode classes | 
| kangxi_radicals_supplement | Unicode classes | 
| KANNADA | Unicode classes | 
| kannada | Unicode classes | 
| KATAKANA | Unicode classes | 
| katakana | Unicode classes | 
| KATAKANA_PHONETIC_EXTENSIONS | Unicode classes | 
| katakana_phonetic_extensions | Unicode classes | 
| KAYAH_LI | Unicode classes | 
| kayah_li | Unicode classes | 
| KHAROSHTHI | Unicode classes | 
| kharoshthi | Unicode classes | 
| KHMER | Unicode classes | 
| khmer | Unicode classes | 
| KHMER_SYMBOLS | Unicode classes | 
| khmer_symbols | Unicode classes | 
| KHOJKI | Unicode classes | 
| khojki | Unicode classes | 
| KHUDAWADI | Unicode classes | 
| khudawadi | Unicode classes | 
| LAO | Unicode classes | 
| lao | Unicode classes | 
| LATIN | Unicode classes | 
| latin | Unicode classes | 
| LATIN_1_PUNCTUATION | Unicode classes | 
| latin_1_punctuation | Unicode classes | 
| LATIN_1_SUPPLEMENT | Unicode classes | 
| latin_1_supplement | Unicode classes | 
| LATIN_EXTENDED_A | Unicode classes | 
| latin_extended_a | Unicode classes | 
| LATIN_EXTENDED_ADDITIONAL | Unicode classes | 
| latin_extended_additional | Unicode classes | 
| LATIN_EXTENDED_B | Unicode classes | 
| latin_extended_b | Unicode classes | 
| LATIN_EXTENDED_C | Unicode classes | 
| latin_extended_c | Unicode classes | 
| LATIN_EXTENDED_D | Unicode classes | 
| latin_extended_d | Unicode classes | 
| LATIN_EXTENDED_E | Unicode classes | 
| latin_extended_e | Unicode classes | 
| LATIN_LIGATURES | Unicode classes | 
| latin_ligatures | Unicode classes | 
| lazy | Repeat values | 
| LEPCHA | Unicode classes | 
| lepcha | Unicode classes | 
| LETTERLIKE_SYMBOLS | Unicode classes | 
| letterlike_symbols | Unicode classes | 
| LIMBU | Unicode classes | 
| limbu | Unicode classes | 
| LINEAR_A | Unicode classes | 
| linear_a | Unicode classes | 
| LINEAR_B_IDEOGRAMS | Unicode classes | 
| linear_b_ideograms | Unicode classes | 
| LINEAR_B_SYLLABARY | Unicode classes | 
| linear_b_syllabary | Unicode classes | 
| LISU | Unicode classes | 
| lisu | Unicode classes | 
| literal | Treat part of a regular expression literally | 
| lookahead | Lookaround | 
| lookbehind | Lookaround | 
| LOWER | Class Constants | 
| lower | Character classes | 
| LYCIAN | Unicode classes | 
| lycian | Unicode classes | 
| LYDIAN | Unicode classes | 
| lydian | Unicode classes | 
| MAHAJANI | Unicode classes | 
| mahajani | Unicode classes | 
| MAHJONG_TILES | Unicode classes | 
| mahjong_tiles | Unicode classes | 
| MALAYALAM | Unicode classes | 
| malayalam | Unicode classes | 
| MANDAIC | Unicode classes | 
| mandaic | Unicode classes | 
| MANICHAEAN | Unicode classes | 
| manichaean | Unicode classes | 
| MATHEMATICAL_ALPHANUMERIC_SYMBOLS | Unicode classes | 
| mathematical_alphanumeric_symbols | Unicode classes | 
| MATH_ARROWS | Unicode classes | 
| math_arrows | Unicode classes | 
| MDY | Date-time regexes | 
| MDY_IN | Date-time regexes | 
| MEETEI_MAYEK | Unicode classes | 
| meetei_mayek | Unicode classes | 
| MEETEI_MAYEK_EXTENSIONS | Unicode classes | 
| meetei_mayek_extensions | Unicode classes | 
| MENDE_KIKAKUI | Unicode classes | 
| mende_kikakui | Unicode classes | 
| MEROITIC_CURSIVE | Unicode classes | 
| meroitic_cursive | Unicode classes | 
| MEROITIC_HIEROGLYPHS | Unicode classes | 
| meroitic_hieroglyphs | Unicode classes | 
| MIAO | Unicode classes | 
| miao | Unicode classes | 
| MINUTE | Date-time regexes | 
| MINUTE_IN | Date-time regexes | 
| MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A | Unicode classes | 
| miscellaneous_mathematical_symbols_a | Unicode classes | 
| MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B | Unicode classes | 
| miscellaneous_mathematical_symbols_b | Unicode classes | 
| MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS | Unicode classes | 
| miscellaneous_symbols_and_pictographs | Unicode classes | 
| MISCELLANEOUS_TECHNICAL | Unicode classes | 
| miscellaneous_technical | Unicode classes | 
| MODI | Unicode classes | 
| modi | Unicode classes | 
| MODIFIER_TONE_LETTERS | Unicode classes | 
| modifier_tone_letters | Unicode classes | 
| modify_mode | Apply mode modifiers | 
| MONGOLIAN | Unicode classes | 
| mongolian | Unicode classes | 
| MONTH | Date-time regexes | 
| MONTH_IN | Date-time regexes | 
| MRO | Unicode classes | 
| mro | Unicode classes | 
| MS | Date-time regexes | 
| MS_IN | Date-time regexes | 
| multi_line | Apply mode modifiers | 
| MUSICAL_SYMBOLS | Unicode classes | 
| musical_symbols | Unicode classes | 
| MYANMAR | Unicode classes | 
| myanmar | Unicode classes | 
| MYANMAR_EXTENDED_A | Unicode classes | 
| myanmar_extended_a | Unicode classes | 
| MYANMAR_EXTENDED_B | Unicode classes | 
| myanmar_extended_b | Unicode classes | 
| MYD | Date-time regexes | 
| MYD_IN | Date-time regexes | 
| NABATAEAN | Unicode classes | 
| nabataean | Unicode classes | 
| negated_char_class | A range or char_class of characters | 
| negate_and_group | A range or char_class of characters | 
| negative_lookahead | Lookaround | 
| negative_lookbehind | Lookaround | 
| NEWLINE | Class Constants | 
| newline | Character classes | 
| NEW_TAI_LUE | Unicode classes | 
| new_tai_lue | Unicode classes | 
| NKO | Unicode classes | 
| nko | Unicode classes | 
| NOT_BOUNDARY | Word boundaries | 
| NOT_DGT | Class Constants | 
| not_dgt | Character classes | 
| NOT_SPC | Class Constants | 
| not_spc | Character classes | 
| NOT_WRD | Class Constants | 
| not_wrd | Character classes | 
| no_backslash_escaping | Apply mode modifiers | 
| NUMBER_FORMS | Unicode classes | 
| number_forms | Unicode classes | 
| number_range | Generate a regular expression for a number range | 
| OGHAM | Unicode classes | 
| ogham | Unicode classes | 
| OLD_ITALIC | Unicode classes | 
| old_italic | Unicode classes | 
| OLD_NORTH_ARABIAN | Unicode classes | 
| old_north_arabian | Unicode classes | 
| OLD_PERMIC | Unicode classes | 
| old_permic | Unicode classes | 
| OLD_PERSIAN | Unicode classes | 
| old_persian | Unicode classes | 
| OLD_SOUTH_ARABIAN | Unicode classes | 
| old_south_arabian | Unicode classes | 
| OLD_TURKIC | Unicode classes | 
| old_turkic | Unicode classes | 
| OL_CHIKI | Unicode classes | 
| ol_chiki | Unicode classes | 
| one_or_more | Repeat values | 
| OPEN_BRACE | Special characters | 
| OPEN_BRACKET | Special characters | 
| OPEN_PAREN | Special characters | 
| OPTICAL_CHARACTER_RECOGNITION | Unicode classes | 
| optical_character_recognition | Unicode classes | 
| optional | Repeat values | 
| OPT_LEADING_0 | Date-time regexes | 
| or | Alternation | 
| or1 | Alternation | 
| ORIYA | Unicode classes | 
| oriya | Unicode classes | 
| ORNAMENTAL_DINGBATS | Unicode classes | 
| ornamental_dingbats | Unicode classes | 
| OSMANYA | Unicode classes | 
| osmanya | Unicode classes | 
| PAHAWH_HMONG | Unicode classes | 
| pahawh_hmong | Unicode classes | 
| PAHLAVI_INSCRIPTIONAL | Unicode classes | 
| pahlavi_inscriptional | Unicode classes | 
| PAHLAVI_PSALTER | Unicode classes | 
| pahlavi_psalter | Unicode classes | 
| PALMYRENE | Unicode classes | 
| palmyrene | Unicode classes | 
| PAU_CIN_HAU | Unicode classes | 
| pau_cin_hau | Unicode classes | 
| PHAGS_PA | Unicode classes | 
| phags_pa | Unicode classes | 
| PHAISTOS_DISC | Unicode classes | 
| phaistos_disc | Unicode classes | 
| PHOENICIAN | Unicode classes | 
| phoenician | Unicode classes | 
| PHONETIC_EXTENSIONS | Unicode classes | 
| phonetic_extensions | Unicode classes | 
| PHONETIC_EXTENSIONS_SUPPLEMENT | Unicode classes | 
| phonetic_extensions_supplement | Unicode classes | 
| PIPE | Special characters | 
| PLAYING_CARDS | Unicode classes | 
| playing_cards | Unicode classes | 
| PLUS | Special characters | 
| Class Constants | |
| print.regex | Print or format regex objects | 
| printable | Character classes | 
| PRIVATE_USE_AREA | Unicode classes | 
| private_use_area | Unicode classes | 
| PUNCT | Class Constants | 
| punct | Character classes | 
| QUESTION | Special characters | 
| rebus | rebus: Regular Expression Builder, Um, Something | 
| recursive | Make the regular expression recursive. | 
| REF1 | Backreferences | 
| REF2 | Backreferences | 
| REF3 | Backreferences | 
| REF4 | Backreferences | 
| REF5 | Backreferences | 
| REF6 | Backreferences | 
| REF7 | Backreferences | 
| REF8 | Backreferences | 
| REF9 | Backreferences | 
| regex | Create a regex | 
| REJANG | Unicode classes | 
| rejang | Unicode classes | 
| repeated | Repeat values | 
| ReplacementCase | Force the case of replacement values | 
| ROMAN | Roman numerals | 
| roman | Roman numerals | 
| RUMI_NUMERAL_SYMBOLS | Unicode classes | 
| rumi_numeral_symbols | Unicode classes | 
| RUNIC | Unicode classes | 
| runic | Unicode classes | 
| SAMARITAN | Unicode classes | 
| samaritan | Unicode classes | 
| SAURASHTRA | Unicode classes | 
| saurashtra | Unicode classes | 
| SECOND | Date-time regexes | 
| SECOND_IN | Date-time regexes | 
| SHARADA | Unicode classes | 
| sharada | Unicode classes | 
| SHAVIAN | Unicode classes | 
| shavian | Unicode classes | 
| SHORTHAND_FORMAT_CONTROLS | Unicode classes | 
| shorthand_format_controls | Unicode classes | 
| SIDDHAM | Unicode classes | 
| siddham | Unicode classes | 
| single_line | Apply mode modifiers | 
| SINHALA | Unicode classes | 
| sinhala | Unicode classes | 
| SINHALA_ARCHAIC_NUMBERS | Unicode classes | 
| sinhala_archaic_numbers | Unicode classes | 
| SMALL_FORM_VARIANTS | Unicode classes | 
| small_form_variants | Unicode classes | 
| SORA_SOMPENG | Unicode classes | 
| sora_sompeng | Unicode classes | 
| SPACE | Class Constants | 
| space | Character classes | 
| SPACING_MODIFIER_LETTERS | Unicode classes | 
| spacing_modifier_letters | Unicode classes | 
| SPC | Class Constants | 
| spc | Character classes | 
| SpecialCharacters | Special characters | 
| SPECIALS | Unicode classes | 
| specials | Unicode classes | 
| STAR | Special characters | 
| START | The start or end of a string | 
| SUNDANESE | Unicode classes | 
| sundanese | Unicode classes | 
| SUNDANESE_SUPPLEMENT | Unicode classes | 
| sundanese_supplement | Unicode classes | 
| SUPERSCRIPTS_AND_SUBSCRIPTS | Unicode classes | 
| superscripts_and_subscripts | Unicode classes | 
| SUPPLEMENTAL_ARROWS_A | Unicode classes | 
| supplemental_arrows_a | Unicode classes | 
| SUPPLEMENTAL_MATHEMATICAL_OPERATORS | Unicode classes | 
| supplemental_mathematical_operators | Unicode classes | 
| SUPPLEMENTAL_PUNCTUATION | Unicode classes | 
| supplemental_punctuation | Unicode classes | 
| SUPPLEMENTARY_PRIVATE_USE_AREA_A | Unicode classes | 
| supplementary_private_use_area_a | Unicode classes | 
| SUPPLEMENTARY_PRIVATE_USE_AREA_B | Unicode classes | 
| supplementary_private_use_area_b | Unicode classes | 
| SYLOTI_NAGRI | Unicode classes | 
| syloti_nagri | Unicode classes | 
| SYRIAC | Unicode classes | 
| syriac | Unicode classes | 
| TAGALOG | Unicode classes | 
| tagalog | Unicode classes | 
| TAGBANWA | Unicode classes | 
| tagbanwa | Unicode classes | 
| TAGS | Unicode classes | 
| tags | Unicode classes | 
| TAI_LE | Unicode classes | 
| tai_le | Unicode classes | 
| TAI_THAM | Unicode classes | 
| tai_tham | Unicode classes | 
| TAI_VIET | Unicode classes | 
| tai_viet | Unicode classes | 
| TAI_XUAN_JING_SYMBOLS | Unicode classes | 
| tai_xuan_jing_symbols | Unicode classes | 
| TAKRI | Unicode classes | 
| takri | Unicode classes | 
| TAMIL | Unicode classes | 
| tamil | Unicode classes | 
| TELUGU | Unicode classes | 
| telugu | Unicode classes | 
| THAANA | Unicode classes | 
| thaana | Unicode classes | 
| THAI | Unicode classes | 
| thai | Unicode classes | 
| TIBETAN | Unicode classes | 
| tibetan | Unicode classes | 
| TIFINAGH | Unicode classes | 
| tifinagh | Unicode classes | 
| TIMEZONE | Date-time regexes | 
| TIMEZONE_OFFSET | Date-time regexes | 
| TIRHUTA | Unicode classes | 
| tirhuta | Unicode classes | 
| token | Capture a token, or not | 
| TRANSPORT_AND_MAP_SYMBOLS | Unicode classes | 
| transport_and_map_symbols | Unicode classes | 
| UGARITIC | Unicode classes | 
| ugaritic | Unicode classes | 
| UGC_CASED_LETTER | Unicode General Categories | 
| ugc_cased_letter | Unicode General Categories | 
| UGC_CLOSE_PUNCTUATION | Unicode General Categories | 
| ugc_close_punctuation | Unicode General Categories | 
| UGC_CONNECTOR_PUNCTUATION | Unicode General Categories | 
| ugc_connector_punctuation | Unicode General Categories | 
| UGC_CONTROL | Unicode General Categories | 
| ugc_control | Unicode General Categories | 
| UGC_CURRENCY_SYMBOL | Unicode General Categories | 
| ugc_currency_symbol | Unicode General Categories | 
| UGC_DASH_PUNCTUATION | Unicode General Categories | 
| ugc_dash_punctuation | Unicode General Categories | 
| UGC_DECIMAL_NUMBER | Unicode General Categories | 
| ugc_decimal_number | Unicode General Categories | 
| UGC_ENCLOSING_MARK | Unicode General Categories | 
| ugc_enclosing_mark | Unicode General Categories | 
| UGC_FINAL_PUNCTUATION | Unicode General Categories | 
| ugc_final_punctuation | Unicode General Categories | 
| UGC_FORMAT_CONTROL | Unicode General Categories | 
| ugc_format_control | Unicode General Categories | 
| UGC_INITIAL_PUNCTUATION | Unicode General Categories | 
| ugc_initial_punctuation | Unicode General Categories | 
| UGC_LETTER | Unicode General Categories | 
| ugc_letter | Unicode General Categories | 
| UGC_LETTER_NUMBER | Unicode General Categories | 
| ugc_letter_number | Unicode General Categories | 
| UGC_LINE_SEPARATOR | Unicode General Categories | 
| ugc_line_separator | Unicode General Categories | 
| UGC_LOWERCASE_LETTER | Unicode General Categories | 
| ugc_lowercase_letter | Unicode General Categories | 
| UGC_MARK | Unicode General Categories | 
| ugc_mark | Unicode General Categories | 
| UGC_MATH_SYMBOL | Unicode General Categories | 
| ugc_math_symbol | Unicode General Categories | 
| UGC_MODIFIER_LETTER | Unicode General Categories | 
| ugc_modifier_letter | Unicode General Categories | 
| UGC_MODIFIER_SYMBOL | Unicode General Categories | 
| ugc_modifier_symbol | Unicode General Categories | 
| UGC_NONSPACING_MARK | Unicode General Categories | 
| ugc_nonspacing_mark | Unicode General Categories | 
| UGC_NUMBER | Unicode General Categories | 
| ugc_number | Unicode General Categories | 
| UGC_OPEN_PUNCTUATION | Unicode General Categories | 
| ugc_open_punctuation | Unicode General Categories | 
| UGC_OTHER | Unicode General Categories | 
| ugc_other | Unicode General Categories | 
| UGC_OTHER_LETTER | Unicode General Categories | 
| ugc_other_letter | Unicode General Categories | 
| UGC_OTHER_NUMBER | Unicode General Categories | 
| ugc_other_number | Unicode General Categories | 
| UGC_OTHER_PUNCTUATION | Unicode General Categories | 
| ugc_other_punctuation | Unicode General Categories | 
| UGC_OTHER_SYMBOL | Unicode General Categories | 
| ugc_other_symbol | Unicode General Categories | 
| UGC_PARAGRAPH_SEPARATOR | Unicode General Categories | 
| ugc_paragraph_separator | Unicode General Categories | 
| UGC_PRIVATE_USE_CONTROL | Unicode General Categories | 
| ugc_private_use_control | Unicode General Categories | 
| UGC_PUNCTUATION | Unicode General Categories | 
| ugc_punctuation | Unicode General Categories | 
| UGC_SEPARATOR | Unicode General Categories | 
| ugc_separator | Unicode General Categories | 
| UGC_SPACE_SEPARATOR | Unicode General Categories | 
| ugc_space_separator | Unicode General Categories | 
| UGC_SPACING_MARK | Unicode General Categories | 
| ugc_spacing_mark | Unicode General Categories | 
| UGC_SURROGATE_CONTROL | Unicode General Categories | 
| ugc_surrogate_control | Unicode General Categories | 
| UGC_SYMBOL | Unicode General Categories | 
| ugc_symbol | Unicode General Categories | 
| UGC_TITLECASE_LETTER | Unicode General Categories | 
| ugc_titlecase_letter | Unicode General Categories | 
| UGC_UNASSIGNED_CONTROL | Unicode General Categories | 
| ugc_unassigned_control | Unicode General Categories | 
| UGC_UPPERCASE_LETTER | Unicode General Categories | 
| ugc_uppercase_letter | Unicode General Categories | 
| Unicode | Unicode classes | 
| UnicodeGeneralCategory | Unicode General Categories | 
| UnicodeOperators | Unicode Operators | 
| UnicodeProperty | Unicode Properties | 
| unicode_intersect | Unicode Operators | 
| unicode_inverse | Unicode Operators | 
| unicode_setdiff | Unicode Operators | 
| unicode_union | Unicode Operators | 
| UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS | Unicode classes | 
| unified_canadian_aboriginal_syllabics | Unicode classes | 
| UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS_EXTENDED | Unicode classes | 
| unified_canadian_aboriginal_syllabics_extended | Unicode classes | 
| UNMATCHABLE | Class Constants | 
| UPPER | Class Constants | 
| upper | Character classes | 
| UP_ALPHABETIC | Unicode Properties | 
| up_alphabetic | Unicode Properties | 
| UP_ASCII_HEX_DIGIT | Unicode Properties | 
| up_ascii_hex_digit | Unicode Properties | 
| UP_BIDI_CONTROL | Unicode Properties | 
| up_bidi_control | Unicode Properties | 
| UP_BIDI_MIRRORED | Unicode Properties | 
| up_bidi_mirrored | Unicode Properties | 
| UP_CASED | Unicode Properties | 
| up_cased | Unicode Properties | 
| UP_CASE_IGNORABLE | Unicode Properties | 
| up_case_ignorable | Unicode Properties | 
| UP_CASE_SENSITIVE | Unicode Properties | 
| up_case_sensitive | Unicode Properties | 
| UP_CHANGES_WHEN_CASEFOLDED | Unicode Properties | 
| up_changes_when_casefolded | Unicode Properties | 
| UP_CHANGES_WHEN_CASEMAPPED | Unicode Properties | 
| up_changes_when_casemapped | Unicode Properties | 
| UP_CHANGES_WHEN_LOWERCASED | Unicode Properties | 
| up_changes_when_lowercased | Unicode Properties | 
| UP_CHANGES_WHEN_NFKC_CASEFOLDED | Unicode Properties | 
| up_changes_when_nfkc_casefolded | Unicode Properties | 
| UP_CHANGES_WHEN_TITLECASED | Unicode Properties | 
| up_changes_when_titlecased | Unicode Properties | 
| UP_CHANGES_WHEN_UPPERCASED | Unicode Properties | 
| up_changes_when_uppercased | Unicode Properties | 
| UP_DASH | Unicode Properties | 
| up_dash | Unicode Properties | 
| UP_DEFAULT_IGNORABLE_CODE_POINT | Unicode Properties | 
| up_default_ignorable_code_point | Unicode Properties | 
| UP_DEPRECATED | Unicode Properties | 
| up_deprecated | Unicode Properties | 
| UP_DIACRITIC | Unicode Properties | 
| up_diacritic | Unicode Properties | 
| UP_EXTENDER | Unicode Properties | 
| up_extender | Unicode Properties | 
| UP_HEX_DIGIT | Unicode Properties | 
| up_hex_digit | Unicode Properties | 
| UP_HYPHEN | Unicode Properties | 
| up_hyphen | Unicode Properties | 
| UP_IDEOGRAPHIC | Unicode Properties | 
| up_ideographic | Unicode Properties | 
| UP_ID_CONTINUE | Unicode Properties | 
| up_id_continue | Unicode Properties | 
| UP_ID_START | Unicode Properties | 
| up_id_start | Unicode Properties | 
| UP_LOWERCASE | Unicode Properties | 
| up_lowercase | Unicode Properties | 
| UP_MATH | Unicode Properties | 
| up_math | Unicode Properties | 
| UP_NONCHARACTER_CODE_POINT | Unicode Properties | 
| up_noncharacter_code_point | Unicode Properties | 
| UP_POSIX_ALNUM | Unicode Properties | 
| up_posix_alnum | Unicode Properties | 
| UP_POSIX_BLANK | Unicode Properties | 
| up_posix_blank | Unicode Properties | 
| UP_POSIX_GRAPH | Unicode Properties | 
| up_posix_graph | Unicode Properties | 
| UP_POSIX_PRINT | Unicode Properties | 
| up_posix_print | Unicode Properties | 
| UP_POSIX_XDIGIT | Unicode Properties | 
| up_posix_xdigit | Unicode Properties | 
| UP_QUOTATION_MARK | Unicode Properties | 
| up_quotation_mark | Unicode Properties | 
| UP_SOFT_DOTTED | Unicode Properties | 
| up_soft_dotted | Unicode Properties | 
| UP_TERMINAL_PUNCTUATION | Unicode Properties | 
| up_terminal_punctuation | Unicode Properties | 
| UP_UPPERCASE | Unicode Properties | 
| up_uppercase | Unicode Properties | 
| UP_WHITE_SPACE | Unicode Properties | 
| up_white_space | Unicode Properties | 
| VAI | Unicode classes | 
| vai | Unicode classes | 
| VARIATION_SELECTORS | Unicode classes | 
| variation_selectors | Unicode classes | 
| VARIATION_SELECTORS_SUPPLEMENT | Unicode classes | 
| variation_selectors_supplement | Unicode classes | 
| VEDIC_EXTENSIONS | Unicode classes | 
| vedic_extensions | Unicode classes | 
| VERTICAL_FORMS | Unicode classes | 
| vertical_forms | Unicode classes | 
| WARANG_CITI | Unicode classes | 
| warang_citi | Unicode classes | 
| WEEKDAY0 | Date-time regexes | 
| WEEKDAY1 | Date-time regexes | 
| WEEK_OF_YEAR | Date-time regexes | 
| WEEK_OF_YEAR_IN | Date-time regexes | 
| whole_word | Match a whole word | 
| WordBoundaries | Word boundaries | 
| WRD | Class Constants | 
| wrd | Character classes | 
| YDM | Date-time regexes | 
| YDM_IN | Date-time regexes | 
| YEAR | Date-time regexes | 
| YEAR2 | Date-time regexes | 
| YEAR4 | Date-time regexes | 
| YIJING_HEXAGRAM_SYMBOLS | Unicode classes | 
| yijing_hexagram_symbols | Unicode classes | 
| YIJING_MONO_DI_AND_TRIGRAMS | Unicode classes | 
| yijing_mono_di_and_trigrams | Unicode classes | 
| YI_RADICALS | Unicode classes | 
| yi_radicals | Unicode classes | 
| YI_SYLLABLES | Unicode classes | 
| yi_syllables | Unicode classes | 
| YMD | Date-time regexes | 
| YMD_IN | Date-time regexes | 
| zero_or_more | Repeat values | 
| %c% | Combine strings together | 
| %R% | Combine strings together | 
| %|% | Alternation |