| as.regex | Coerce objects to a 'regex'. |
| capture | Create a capture group |
| character_class | Create character classes |
| character_class_escape | Character class escapes |
| counts | Counts |
| escape | Escape characters for a regex |
| group | Create a grouped expression |
| lookarounds | Lookarounds |
| not | Do not match |
| or | Or |
| regex | Regular Expression |
| register_shortcuts | Register the Rex shortcuts |
| re_matches | Match function |
| re_substitutes | Substitute regular expressions in a string with another... |
| rex | Generate a regular expression. |
| rex_mode | Toggles 'rex' mode. |
| shortcuts | Shortcuts |
| single_shortcuts | Single shortcuts |
| wildcards | Wildcards |
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