URL Scraping/Extraction w/Sed

alias lsurls='_(){ sed "s/http/\nhttp/g" "${1}" | sed -n "s/\(^http[s]*:[a-Z0-9/.?=_-]*\)\(.*\)/\1/p"; }; _' 

E.g. lsurls <(curl http://www.cnn.com)