OIC - convert string yymmdd to date yyyy-mm-dd

Use Case:

The requirement is to take input string doj field as yymmdd and then convert it to yyyy-mm-dd format to send the date to a database or endpoint.

Input:

Doj : 210914

Output: 2021-09-14

Use the following:

concat(substring(string(cutrent-date()),1,2),substring(doj,1,2),"-",substring(doj,3,2),"-",substring(doj,5,2))