FormuladrillJoin the tags
An Excel formula exercise from Formuladrill. Solve it with a formula bar on a live sheet in your browser, and it is checked the moment you submit.
The task
Join the tags in A2:D2 into one cell, separated by a comma and a space, skipping empty cells. Answer in E2.
What this exercise teaches
TEXTJOIN with TRUE skips blanks, so you never get ", ," in the result.
A hint if you get stuck
TEXTJOIN(separator, ignore empty, range).
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