diff --git a/Sources/SynKit/Libraries/Lexer.Generator/RegExParser.cs b/Sources/SynKit/Libraries/Lexer.Generator/RegExParser.cs
index 48569409..f1796b6e 100644
--- a/Sources/SynKit/Libraries/Lexer.Generator/RegExParser.cs
+++ b/Sources/SynKit/Libraries/Lexer.Generator/RegExParser.cs
@@ -201,6 +201,8 @@ public static string Escape(string str) =>
         'n' => '\n',
         'r' => '\r',
         't' => '\t',
+        'v' => '\v',
+        'f' => '\f',
         '0' => '\0',
         '\\' => '\\',
         _ => null,
diff --git a/Sources/SynKit/Tests/Lexer.Tests/RegexesTests.cs b/Sources/SynKit/Tests/Lexer.Tests/RegexesTests.cs
index 755835ca..01798fcd 100644
--- a/Sources/SynKit/Tests/Lexer.Tests/RegexesTests.cs
+++ b/Sources/SynKit/Tests/Lexer.Tests/RegexesTests.cs
@@ -142,6 +142,18 @@ internal partial class Issue145Lexer
     {
     }
 
+    public enum SpecialEscapeSequences
+    {
+        [End] End,
+        [Error] Error,
+        [Regex("[\\f\\v]")] Feed,    
+    }
+
+    [Lexer(typeof(SpecialEscapeSequences))]
+    internal partial class SpecialEscapeSequencesLexer
+    {
+    }
+
     [Theory]
 
     [InlineData("foo", typeof(Identifier), true, typeof(IdentifierLexer))]
@@ -229,6 +241,8 @@ internal partial class Issue145Lexer
     [InlineData(@"'hello \' bye'", typeof(Issue140Token), true, typeof(Issue140Lexer))]
 
     [InlineData(@"]", typeof(EscapingInsideSingleLiteralRangeToken), true, typeof(Issue145Lexer))]
+    [InlineData("\v", typeof(SpecialEscapeSequences), true, typeof(SpecialEscapeSequencesLexer))]
+    [InlineData("\f", typeof(SpecialEscapeSequences), true, typeof(SpecialEscapeSequencesLexer))]
     public void SingleTokenAcceptance(string input, Type enumType, bool shouldAccept, Type lexerType)
     {
         dynamic lexer = Activator.CreateInstance(lexerType, input)!;