Chrome browser. Samsung 10" tablet.

1. Get the URL you want to copy on the address bar.
2. Scroll it as far right as it will go.
3. Touch the URL lightly and it will be selected in blue.
4. Very lightly touch an area on the left of the URL and pull it to the right.
5. You can now use the selector handle to select the new area.
6. Repeat until you have the http(s) showing and touch copy.