I am learning Regex.
I use Regex for a file-searching programme in Linux. (FSearch)
I do not understand, why we need
?= in Regex.
It looks for me like
?= is needless.
Why do I think so?
Here is an example:
But isn't this exactly the same like:
So actually my question is:
Can you give me an example, where
?= is really needed, because I can not get the same result without
Would appreciate some answers.
modified 17-Jul-22 7:00am.