How to get the area value from a string?

Question

JavaScript

There is a line 1-room apartment, 39 m², 1/5 floor. , I want to keep only 39. I can't think of an expression.

Answer 1

No way. This is a window for HTTP authorization, such a window cannot be displayed or processed through JS. It pops up when the server returns an HTTP 401 code and a WWW-Authenticate header.

Answer 2

re.findall(r'\d+(?:\.\d+)?(?= м²)', s)

Answer 3

https://regex101.com/r/FVHvlc/1

Answer 4

/\d{1,3}(?=\s\W+,)/
But a lot depends on which lines it will be drawn from.