If you just want the substring "adv" the REX would be
adv
If you want it bounded by non-alpha the REX would be
[^\alpha]adv[^\alpha]
If it could be at the end of URL you'll also need
[^\alpha]adv=>>=
BTW, in the future please start a new topic for a new subject.
adv
If you want it bounded by non-alpha the REX would be
[^\alpha]adv[^\alpha]
If it could be at the end of URL you'll also need
[^\alpha]adv=>>=
BTW, in the future please start a new topic for a new subject.