These settings are available in system.settings and are autogenerated from source.
regexp_dict_allow_hyperscan
Type
Bool
Default
1
Allow regexp_tree dictionary using Hyperscan library.
regexp_dict_flag_case_insensitive
Type
Bool
Default
0
Use case-insensitive matching for a regexp_tree dictionary. Can be overridden in individual expressions with (?i) and (?-i).
regexp_dict_flag_dotall
Type
Bool
Default
0
Allow ‘.’ to match newline characters for a regexp_tree dictionary.