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A B C D E F G H I L M N O P Q R S T U W Z misc
| ALNUM | Class Constants |
| alnum | Character classes |
| ALPHA | Class Constants |
| alpha | Character classes |
| Anchors | The start or end of a string. |
| ANY_CHAR | Class Constants |
| any_char | Character 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 |
| Backreferences | Backreferences |
| BACKSLASH | Special characters |
| BLANK | Class Constants |
| blank | Character classes |
| BOUNDARY | Word boundaries |
| capture | Capture a token, or not |
| CARET | Special characters |
| case_insensitive | Apply mode modifiers |
| CharacterClasses | Class Constants |
| char_class | A range or char_class of characters |
| char_range | Character classes |
| ClassGroups | Character classes |
| CLOSE_BRACKET | Special characters |
| CLOSE_PAREN | Special characters |
| CNTRL | Class Constants |
| cntrl | Character classes |
| Concatenation | Combine strings together |
| DGT | Class Constants |
| dgt | Character classes |
| DIGIT | Class Constants |
| digit | Character classes |
| DOLLAR | Special characters |
| DOT | Special characters |
| duplicate_group_names | Apply mode modifiers |
| END | The start or end of a string. |
| engroup | Capture a token, or not |
| escape_special | Escape special characters |
| exactly | The start or end of a string. |
| format.regex | Print or format regex objects |
| free_spacing | Apply mode modifiers |
| GRAPH | Class Constants |
| graph | Character classes |
| GRAPHEME | Class Constants |
| grapheme | Character classes |
| group | Capture a token, or not |
| HEX_DIGIT | Class Constants |
| hex_digit | Character classes |
| 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 |
| is.regex | Convert or test for regex objects |
| lazy | Repeat values |
| literal | Treat part of a regular expression literally |
| lookahead | Lookaround |
| lookbehind | Lookaround |
| LOWER | Class Constants |
| lower | Character classes |
| modify_mode | Apply mode modifiers |
| multi_line | Apply mode modifiers |
| 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 |
| 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 |
| one_or_more | Repeat values |
| OPEN_BRACE | Special characters |
| OPEN_BRACKET | Special characters |
| OPEN_PAREN | Special characters |
| optional | Repeat values |
| or | Alternation |
| or1 | Alternation |
| PIPE | Special characters |
| PLUS | Special characters |
| Class Constants | |
| print.regex | Print or format regex objects |
| printable | Character classes |
| PUNCT | Class Constants |
| punct | Character classes |
| QUESTION | Special characters |
| 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 |
| repeated | Repeat values |
| ReplacementCase | Force the case of replacement values |
| single_line | Apply mode modifiers |
| SPACE | Class Constants |
| space | Character classes |
| SPC | Class Constants |
| spc | Character classes |
| SpecialCharacters | Special characters |
| STAR | Special characters |
| START | The start or end of a string. |
| token | Capture a token, or not |
| UNMATCHABLE | Class Constants |
| UPPER | Class Constants |
| upper | Character classes |
| whole_word | Word boundaries |
| WordBoundaries | Word boundaries |
| WRD | Class Constants |
| wrd | Character classes |
| zero_or_more | Repeat values |
| %c% | Combine strings together |
| %R% | Combine strings together |
| %|% | Alternation |