I want to have a string function that replaces the substring with another
set of characters - but the condition is that i want a particular
substring to be replaced if there are multiple same substring exits.
Original_String :='I am an Indian'
Character/substring to replace 'a'
Required_String := 'I am an IndiaXn'
can you see - there are multiple 'a's into Original_String, however
I just want to replace the last a with X.
I tried native replace_string function but that replaces all 'a's - instead I want particular one...
thanks in advance
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