ARRAYTOSTRING
This function returns a single string that contains all the items in an array.
The items are separated by a separator that you specify, not by the separator specified in the ARRAY function.
Syntax
=ARRAYTOSTRING(array,"separator")
Example
Cell C8 contains =ARRAY(123,456,TRUE,FALSE,"Test","a","b","c",","). =ARRAYTOSTRING(C8,"-x-") returns this
result:
123-x-456-x-TRUE-x-FALSE-x-Test-x-a-x-b-x-c