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Google Sheets: how to down-fill and prevent incrementing in a specific Cell Number Reference
Formula:
=IFNA(INDEX(TRIM(ARRAY_CONSTRAIN(SUBSTITUTE(SPLIT(REGEXEXTRACT($A3, B1&"(.+)"), "]"), "[", ), 1, 2))), 0)
I want to down-fill and prevent incrementing in B1 Cell Number Reference, I mean I want to change the Number Reference of A3 cell, example: A3 - A4 - A5 - A6 ... but I don' want to change the Number Reference of B1 cell when down-filling.
I hope my question is understandable.
Solution
use arrayformula:
=IFNA(INDEX(IF($A3:$A="",,TRIM(ARRAY_CONSTRAIN(SUBSTITUTE(SPLIT(
REGEXEXTRACT($A3:$A, B1&"(.+)"), "]"), "[", ), 99^99, 2)))), 0)
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