Hi

I'm new to PCRE. Can anyone explain to me why the output of

# open Pcre;;
# version;;
- : string = "3.4 22-Aug-2000"
# full_split ~pat:"^(\\w+)(,(\\w+))*$" "a,b,c,d";;
- : Pcre.split_result list =
[Delim "a,b,c,d"; Group (1, "a"); Group (2, ",d"); Group (3, "d")]

does not contain Group(3, "b") and Group(3, "c") ?

Similarly, I expected 

# full_split ~pat:"S(a\\d)+" "Sa1a2";;
- : Pcre.split_result list = [Delim "Sa1a2"; Group (1, "a2")]

to produce [Delim "Sa1a2"; Group(1, "a1"); Group (1, "a2")]

The above uses the latest pcre-ocaml-4.31.0.

Thanks
Oleg
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