public static void htmlReplaceWherigoClickAction(final Activity activity, final String geocode, final Spannable spannable) {

        HtmlUtils.replaceUrlClickAction(spannable, (span, spn, start, end) -> !WherigoUtils.scanWherigoGuids(span.getURL()).isEmpty(), span -> {
            final String guid = WherigoUtils.scanWherigoGuids(span.getURL()).get(0);
            WherigoActivity.startForGuid(activity, guid, geocode, false);
        });
    }
replaces found WherigoURLs with link to own wherigo player
main/src/main/java/cgeo/geocaching/wherigo/WherigoViewUtils.java