sig
exception Parse_error
exception Not_supported
type opt =
[ `Anchored
| `Caseless
| `Dollar_endonly
| `Dotall
| `Multiline
| `Ungreedy ]
val re : ?opts:Re_perl.opt list -> string -> Re.t
val compile : Re.t -> Re.re
val compile_pat : ?opts:Re_perl.opt list -> string -> Re.re
end