diff --git a/app/src/main/java/com/keylesspalace/tusky/BottomSheetActivity.kt b/app/src/main/java/com/keylesspalace/tusky/BottomSheetActivity.kt
index d56d6711..392bf9dd 100644
--- a/app/src/main/java/com/keylesspalace/tusky/BottomSheetActivity.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/BottomSheetActivity.kt
@@ -169,9 +169,12 @@ abstract class BottomSheetActivity : BaseActivity() {
 // https://mastodon.foo.bar/@User
 // https://mastodon.foo.bar/@User/43456787654678
 // https://pleroma.foo.bar/users/User
-// https://pleroma.foo.bar/users/43456787654678
-// https://pleroma.foo.bar/notice/43456787654678
+// https://pleroma.foo.bar/users/9qTHT2ANWUdXzENqC0
+// https://pleroma.foo.bar/notice/9sBHWIlwwGZi5QGlHc
 // https://pleroma.foo.bar/objects/d4643c42-3ae0-4b73-b8b0-c725f5819207
+// https://friendica.foo.bar/profile/user
+// https://friendica.foo.bar/display/d4643c42-3ae0-4b73-b8b0-c725f5819207
+// https://misskey.foo.bar/notes/83w6r388br (always lowercase)
 fun looksLikeMastodonUrl(urlString: String): Boolean {
     val uri: URI
     try {
@@ -188,10 +191,13 @@ fun looksLikeMastodonUrl(urlString: String): Boolean {
 
     val path = uri.path
     return path.matches("^/@[^/]+$".toRegex()) ||
-            path.matches("^/users/[^/]+$".toRegex()) ||
             path.matches("^/@[^/]+/\\d+$".toRegex()) ||
-            path.matches("^/notice/\\d+$".toRegex()) ||
-            path.matches("^/objects/[-a-f0-9]+$".toRegex())
+            path.matches("^/users/\\w+$".toRegex()) ||
+            path.matches("^/notice/[a-zA-Z0-9]+$".toRegex()) ||
+            path.matches("^/objects/[-a-f0-9]+$".toRegex()) ||
+            path.matches("^/notes/[a-z0-9]+$".toRegex()) ||
+            path.matches("^/display/[-a-f0-9]+$".toRegex()) ||
+            path.matches("^/profile/\\w+$".toRegex())
 }
 
 enum class PostLookupFallbackBehavior {
diff --git a/app/src/test/java/com/keylesspalace/tusky/BottomSheetActivityTest.kt b/app/src/test/java/com/keylesspalace/tusky/BottomSheetActivityTest.kt
index d3c54f0e..5c92667e 100644
--- a/app/src/test/java/com/keylesspalace/tusky/BottomSheetActivityTest.kt
+++ b/app/src/test/java/com/keylesspalace/tusky/BottomSheetActivityTest.kt
@@ -119,10 +119,21 @@ class BottomSheetActivityTest {
                     arrayOf("https://mastodon.foo.bar/@user/345667890345678", true),
                     arrayOf("https://mastodon.foo.bar/@user/3", true),
                     arrayOf("https://pleroma.foo.bar/users/meh3223", true),
+                    arrayOf("https://pleroma.foo.bar/users/meh3223_bruh", true),
                     arrayOf("https://pleroma.foo.bar/users/2345", true),
                     arrayOf("https://pleroma.foo.bar/notice/9", true),
                     arrayOf("https://pleroma.foo.bar/notice/9345678", true),
+                    arrayOf("https://pleroma.foo.bar/notice/wat", true),
+                    arrayOf("https://pleroma.foo.bar/notice/9qTHT2ANWUdXzENqC0", true),
                     arrayOf("https://pleroma.foo.bar/objects/abcdef-123-abcd-9876543", true),
+                    arrayOf("https://misskey.foo.bar/notes/mew", true),
+                    arrayOf("https://misskey.foo.bar/notes/1421564653", true),
+                    arrayOf("https://misskey.foo.bar/notes/qwer615985ddf", true),
+                    arrayOf("https://friendica.foo.bar/profile/user", true),
+                    arrayOf("https://friendica.foo.bar/profile/uSeR", true),
+                    arrayOf("https://friendica.foo.bar/profile/user_user", true),
+                    arrayOf("https://friendica.foo.bar/profile/123", true),
+                    arrayOf("https://friendica.foo.bar/display/abcdef-123-abcd-9876543", true),
                     arrayOf("https://google.com/", false),
                     arrayOf("https://mastodon.foo.bar/@User?foo=bar", false),
                     arrayOf("https://mastodon.foo.bar/@User#foo", false),
@@ -131,13 +142,23 @@ class BottomSheetActivityTest {
                     arrayOf("https://mastodon.foo.bar/@user/345667890345678/", false),
                     arrayOf("https://mastodon.foo.bar/@user/3abce", false),
                     arrayOf("https://pleroma.foo.bar/users/", false),
+                    arrayOf("https://pleroma.foo.bar/users/meow/", false),
+                    arrayOf("https://pleroma.foo.bar/users/@meow", false),
                     arrayOf("https://pleroma.foo.bar/user/2345", false),
-                    arrayOf("https://pleroma.foo.bar/notice/wat", false),
                     arrayOf("https://pleroma.foo.bar/notices/123456", false),
+                    arrayOf("https://pleroma.foo.bar/notice/@neverhappen/", false),
                     arrayOf("https://pleroma.foo.bar/object/abcdef-123-abcd-9876543", false),
                     arrayOf("https://pleroma.foo.bar/objects/xabcdef-123-abcd-9876543", false),
                     arrayOf("https://pleroma.foo.bar/objects/xabcdef-123-abcd-9876543/", false),
-                    arrayOf("https://pleroma.foo.bar/objects/xabcdef-123-abcd_9876543", false)
+                    arrayOf("https://pleroma.foo.bar/objects/xabcdef-123-abcd_9876543", false),
+                    arrayOf("https://friendica.foo.bar/display/xabcdef-123-abcd-9876543", false),
+                    arrayOf("https://friendica.foo.bar/display/xabcdef-123-abcd-9876543/", false),
+                    arrayOf("https://friendica.foo.bar/display/xabcdef-123-abcd_9876543", false),
+                    arrayOf("https://friendica.foo.bar/profile/@mew", false),
+                    arrayOf("https://friendica.foo.bar/profile/@mew/", false),
+                    arrayOf("https://misskey.foo.bar/notes/@nyan", false),
+                    arrayOf("https://misskey.foo.bar/notes/NYAN123", false),
+                    arrayOf("https://misskey.foo.bar/notes/meow123/", false)
                 )
             }
         }
@@ -299,4 +320,4 @@ class BottomSheetActivityTest {
             this.fallbackBehavior = fallbackBehavior
         }
     }
-}
\ No newline at end of file
+}