How to use a quantifier in a REGEXP group?

Question

Regular Expressions

Why is it not possible to use such a construction?
(?<=https?).*
I want to match both http://blabla.com and http s ://blabla.com

Answer 1

Why do you need a lookbehind for a simple match?
https?.*

Answer 2

Why is it not possible to use such a construction?
Because in the "back looking" there should be a clear number of characters
in https?it turns out either 5 (https) or 4 (http)
https://regex101.com/r/tOiEx1/1
will be like 2 options for "back looking"
but, as I wrote earlier Rsa97 , in your case you don't need it)
quite simplyhttps?.*