I've read every tool tip in the image and the one in the large field in MCS. In the image example (and the tool tip) you have this version of the search:
Code:
https://www.fanfiction.net/s/[0-9]+/[0-9]/|http://www.fanfiction.net/s/[0-9]+/[0-9]
but when I look at the tool tip for the MCS Regular Expression Tab, the example shown has:
Also the number in bold in the url below is always the same.
http://www.fanfiction.net/s/3507422/1/
Does the number 9 in the MCS Regular Expression Tab tell it to match the entire string of numbers?