DEV-44732 avoidable false-positives on automatic URL finding in chat

indra/llui/llurlentry.cpp

@@ -201,8 +201,11 @@ std::string LLUrlEntryHTTPLabel::getUrl(const std::string &string)
 //
 LLUrlEntryHTTPNoProtocol::LLUrlEntryHTTPNoProtocol()
 {
-	mPattern = boost::regex("(\\bwww\\.\\S+\\.\\S+|\\b[^ \t\n\r\f\v:/]+.com\\S*|\\b[^ \t\n\r\f\v:/]+.net\\S*|\\b[^ \t\n\r\f\v:/]+.edu\\S*|\\b[^ \t\n\r\f\v:/]+.org\\S*)",
-							boost::regex::perl|boost::regex::icase);
+	mPattern = boost::regex("("
+				"\\bwww\\.\\S+\\.\\S+" // www.FOO.BAR
+				"|\\b[^ \t\n\r\f\v:/]+.(?:com|net|edu|org)[^[:space:][:alnum:]]*$" // FOO.net
+				")",
+				boost::regex::perl|boost::regex::icase);
 	mMenuName = "menu_url_http.xml";
 	mTooltip = LLTrans::getString("TooltipHttpUrl");
 }