Fix mentions

app/src/main/java/app/fedilab/android/helper/Helper.java

@@ -315,8 +315,8 @@ public class Helper {
 
     public static final Pattern hashtagPattern = Pattern.compile("(#[\\w_A-zÀ-ÿ]+)");
     public static final Pattern groupPattern = Pattern.compile("(![\\w_]+)");
-    public static final Pattern mentionPattern = Pattern.compile("^(@[\\w_]+)|\\s+(@[\\w_]+)");
+    public static final Pattern mentionPattern = Pattern.compile("(@[\\w_.-]+)");
-    public static final Pattern mentionLongPattern = Pattern.compile("(@[\\w_-]+@[a-zA-Z0-9][a-zA-Z0-9.-]{1,61}[a-zA-Z0-9](?:\\.[a-zA-Z]{2,})+)");
+    public static final Pattern mentionLongPattern = Pattern.compile("(@[\\w_.-]+@[a-zA-Z0-9][a-zA-Z0-9.-]{1,61}[a-zA-Z0-9](?:\\.[a-zA-Z]{2,})+)");
 
     public static final Pattern twitterPattern = Pattern.compile("((@[\\w]+)@twitter\\.com)");
     public static final Pattern youtubePattern = Pattern.compile("(www\\.|m\\.)?(youtube\\.com|youtu\\.be|youtube-nocookie\\.com)/(((?!([\"'<])).)*)");

app/src/main/java/app/fedilab/android/helper/SpannableHelper.java

@@ -675,6 +675,13 @@ public class SpannableHelper {
             int matchEnd = matcher.end();
             String email = content.toString().substring(matchStart, matchEnd);
             if (matchStart >= 0 && matchEnd <= content.toString().length() && matchEnd >= matchStart) {
+                ClickableSpan[] clickableSpans = content.getSpans(matchStart, matchEnd, ClickableSpan.class);
+                if (clickableSpans != null) {
+                    for (ClickableSpan clickableSpan : clickableSpans) {
+                        content.removeSpan(clickableSpan);
+                    }
+                }
+                content.removeSpan(clickableSpans);
                 content.setSpan(new ClickableSpan() {
                     @Override
                     public void onClick(@NonNull View textView) {