| abbreviation_internal | Internal abbreviation marker, marks abbreviations with an underscore behind. Useful if 'parsing_option' 1 is needed, but some abbreviations need 'parsing_option' 2. |
| caseconverter | Specific case converter shortcuts |
| check_design_rule | Internal helper to test the design rules for any string and setting of 'to_any_case()' |
| parse1_pat_cap_smalls | Parsing helpers |
| parse2_pat_digits | Parsing helpers |
| parse3_pat_caps | Parsing helpers |
| parse4_pat_cap | Parsing helpers |
| parse5_pat_non_alnums | Parsing helpers |
| parse6_mark_digits | Parsing helpers |
| parse7_pat_caps_smalls | Parsing helpers |
| parse8_pat_smalls_after_non_alnums | Parsing helpers |
| parsing_helpers | Parsing helpers |
| preprocess_internal | Internal function that replaces regex matches with underscores |
| relevant | Internal helper for "lower_upper", "upper_lower". This helper returns a logical vector with TRUE for the first and every second string of those which contain an alphabetic character |
| replace_special_characters_internal | Internal helper to replace special characters. |
| to_any_case | General case conversion |
| to_lower_camel_case | Specific case converter shortcuts |
| to_lower_upper_case | Specific case converter shortcuts |
| to_mixed_case | Specific case converter shortcuts |
| to_parsed_case | Specific case converter shortcuts |
| to_parsed_case_internal | Internal parser, which is relevant for preprocessing, parsing and parsing options |
| to_random_case | Specific case converter shortcuts |
| to_screaming_snake_case | Specific case converter shortcuts |
| to_sentence_case | Specific case converter shortcuts |
| to_snake_case | Specific case converter shortcuts |
| to_swap_case | Specific case converter shortcuts |
| to_title_case | Specific case converter shortcuts |
| to_upper_camel_case | Specific case converter shortcuts |
| to_upper_lower_case | Specific case converter shortcuts |