add dingbat digits to the unicode style mappings

HomoglyphConverter/UnicodeStyles.cs

@@ -58,6 +58,10 @@ public static class UnicodeStyles
     private const string SubscriptDigits = "₀₁₂₃₄₅₆₇₈₉";
     private const string SegmentedDigits = "🯰🯱🯲🯳🯴🯵🯶🯷🯸🯹";
     private const string OutlinedDigits = "𜳰𜳱𜳲𜳳𜳴𜳵𜳶𜳷𜳸𜳹";
+    private const string DingbatNegativeCircled = "❿❶❷❸❹❺❻❼❽❾";
+    private const string DingbatCircledSansSerif = "➉➀➁➂➃➄➅➆➇➈";
+    private const string DingbatNegativeCircledSansSerif = "➓➊➋➌➍➎➏➐➑➒";
+    
     // U+E0030 - U+E0039
     private const string TagsDigits = "󠀰󠀱󠀲󠀳󠀴󠀵󠀶󠀷󠀸󠀹";
 
@@ -118,6 +122,9 @@ public static class UnicodeStyles
             SubscriptDigits,
             SegmentedDigits,
             OutlinedDigits,
+            DingbatNegativeCircled,
+            DingbatCircledSansSerif,
+            DingbatNegativeCircledSansSerif,
             TagsDigits,
         ];
         BuildMap(styleList, DigitsBase, result);

Tests/ZalgoTests.cs

@@ -89,6 +89,10 @@ public class ZalgoTests
         var result = await UsernameZalgoMonitor.NeedsRenameAsync(name).ConfigureAwait(false);
         Assert.That(result, Is.EqualTo(isBad), comment ?? $"Expected to be {(isBad ? "bad" : "acceptable")}");
     }
+
+    [TestCase("ⓛ➀ⓟ➂ⓢⓒ", ExpectedResult = "l1p3sc")]
+    public async Task<string> StripZalgoTest(string name)
+        => await UsernameZalgoMonitor.StripZalgoAsync(name, null, 0).ConfigureAwait(false);
 }
 
 internal class UserInfo