Search and replace and remember with which word the string has been replaced in regex

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How do i find which substrings were replaced when regex replace was applied in javascript

Main string : abcSSSdeSSfghEEEijSSSkEEElmSSSnSSSEEEopEEE

I want to replace all the substrings starting with 'SSS' and ends with 'EEE'. with .*

Upon applying a desired function i should get modified string

abc.*ij.*lmSSSn.*opEEE

and also the array for replaced strings as follows :

{ var1 : SSSdeSSfghEEE var2 : SSSkEEE var3 : SSSEEE }

How to efficiently implement the above desired function

asked 26 secs ago

user3585284

1