`regex{n,}?` == `regex{n}`?

Question

-edit- NOTE the ? at the end of .{2,}?

I found out you can write

.{2,}?

Isnt that exactly the same as bel

Answer 1

x.{2,}?x matches "xasdfx" in "xasdfxbx" but x.{2}x does not match at all.

Without the trailing ?, the first one will match the whole string.