Google Sheets – Conditional Formatting Guide

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I am trying to make a certain cell on my sheet light up based on what week it is.

Each cell contains the value Week X where the X is a week-number.

After a little bit of experimentation I have made the following:
enter image description here

Here the cells A4:A56 are the cells with Week X in them.

I want each one each week to light up in beautiful yellow based on the week, but instead, this does nothing (no cells turn yellow).

Is there any way I can get my desired result with conditional formatting in Google Sheets?

Update (an attempted answer made by Rubén, did not work):

enter image description here

Best Answer

=VALUE(REGEXEXTRACT(A4,"\d+"))=WEEKNUM(TODAY(),2)

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