uk.html?subid=adwords
sed -i '/uk.html?subid=adwords/!d' /path/to/file
ls /path/to/dir/* | while read file; do sed -i '/uk.html?subid=adwords/!d' "${file}"; done
/uk.html\?subid\=adwords/{print $0}
grep -v "uk.html?subid=adwords" file > tmp && rm file && mv tmp file