1 CREATE OR REPLACE FUNCTION PLATFROM.parsejsonstr(p_jsonstr varchar2,startkey varchar2,endkey varchar2) RETURN VARCHAR2
 2 IS
 3   rtnVal VARCHAR2(1000);
 4   FindIdxS NUMBER(2);
 5   FindIdxE NUMBER(2);
 6 BEGIN
 7 if endkey='}' then
 8     rtnVal:=substr(p_jsonstr,(instr(p_jsonstr,startkey)+length(startkey)  +2)
 9         ,(instr(p_jsonstr,endkey,instr(p_jsonstr,startkey))-instr(p_jsonstr,startkey)-length(startkey)-2));
10 else
11     rtnVal:=substr(p_jsonstr,(instr(p_jsonstr,startkey)+length(startkey)  +2)
12         ,(instr(p_jsonstr,endkey,instr(p_jsonstr,startkey))-instr(p_jsonstr,startkey)-length(startkey)-4));
13 end if;
14   RETURN rtnVal;
15 END parsejsonstr;
16 /