| callout_data (defined in pcre_extra) | pcre_extra | |
| flags (defined in pcre_extra) | pcre_extra | |
| match_limit (defined in pcre_extra) | pcre_extra | |
| match_limit_recursion (defined in pcre_extra) | pcre_extra | |
| study_data (defined in pcre_extra) | pcre_extra | |
| tables (defined in pcre_extra) | pcre_extra |