set(#url, "http://www.exampleurl.com/something.php http://exampleurl.com/somethingelse.htm http://exampleurl2.com/another-url http://www.exampleurl2.com/a-url.htm http://exampleurl2.com/yet-another-url.html http://exampleurl.com/ http://www.exampleurl3.com/here_is_a_url http://www.exampleurl5.com/something", "Global") set(#urls, $find regular expression(#url, "^(.*)(?:\\\\r?\\\\n|\\\\r)(?=[\\\\s\\\\S]*^\\\\1$) "), "Global") alert(#urls) It is wrong.