From f22e90af55fe5eec71629ba5aa5f98b78c6d2ba3 Mon Sep 17 00:00:00 2001
From: Youmu Liu <105042599+Nitload-NSI@users.noreply.github.com>
Date: Wed, 4 Feb 2026 16:30:47 +0800
Subject: [PATCH] add parser for concat

---
 StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.cs | 4 ++++
 StgSharp.RegularAnalysis/TextRegex/RegexTokenReader.cs | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.cs b/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.cs
index 9b7384d3..71ec2670 100644
--- a/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.cs
+++ b/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.cs
@@ -44,7 +44,11 @@ namespace StgSharp.RegularAnalysis.TextRegex
         {
             RegexTokenReader reader = new RegexTokenReader(regex);
             TokenParser<RegexElementLabel, RegexElementLabel> lexer = reader.Pipe(() => new RegexTokenParser());
+
+            while (lexer.TryReadToken(out Token<RegexElementLabel> token)) { }
         }
 
+        private static void
+
     }
 }
diff --git a/StgSharp.RegularAnalysis/TextRegex/RegexTokenReader.cs b/StgSharp.RegularAnalysis/TextRegex/RegexTokenReader.cs
index 68749990..9bda0712 100644
--- a/StgSharp.RegularAnalysis/TextRegex/RegexTokenReader.cs
+++ b/StgSharp.RegularAnalysis/TextRegex/RegexTokenReader.cs
@@ -45,6 +45,13 @@ namespace StgSharp.RegularAnalysis.TextRegex
 
         public RegexTokenReader() { }
 
+        public RegexTokenReader(
+               string source
+        )
+        {
+            _source = source;
+        }
+
         public bool IsEmpty => string.IsNullOrEmpty(_source) || position >= _source.Length;
 
         public Token<RegexElementLabel> ReadToken()