From a47d1ca5b5b4d4160e74b469a0af5926f43300e9 Mon Sep 17 00:00:00 2001
From: Giorgi Dalakishvili <Giorgi@users.noreply.github.com>
Date: Wed, 23 Aug 2023 23:35:07 +0400
Subject: [PATCH] Support $ as parameter prefix

---
 Dapper/SqlMapper.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Dapper/SqlMapper.cs b/Dapper/SqlMapper.cs
index 369d71e7b..583e06ec3 100644
--- a/Dapper/SqlMapper.cs
+++ b/Dapper/SqlMapper.cs
@@ -2108,7 +2108,7 @@ internal static int GetListPaddingExtraCount(int count)
 
         private static string GetInListRegex(string name, bool byPosition) => byPosition
             ? (@"(\?)" + Regex.Escape(name) + @"\?(?!\w)(\s+(?i)unknown(?-i))?")
-            : ("([?@:]" + Regex.Escape(name) + @")(?!\w)(\s+(?i)unknown(?-i))?");
+            : ("([?@:$]" + Regex.Escape(name) + @")(?!\w)(\s+(?i)unknown(?-i))?");
 
         /// <summary>
         /// Internal use only.
@@ -2373,14 +2373,14 @@ private static IEnumerable<PropertyInfo> FilterParameters(IEnumerable<PropertyIn
             var list = new List<PropertyInfo>(16);
             foreach (var p in parameters)
             {
-                if (Regex.IsMatch(sql, @"[?@:]" + p.Name + @"([^\p{L}\p{N}_]+|$)", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant))
+                if (Regex.IsMatch(sql, @"[?@:$]" + p.Name + @"([^\p{L}\p{N}_]+|$)", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant))
                     list.Add(p);
             }
             return list;
         }
 
         // look for ? / @ / : *by itself*
-        private static readonly Regex smellsLikeOleDb = new(@"(?<![\p{L}\p{N}@_])[?@:](?![\p{L}\p{N}@_])", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant | RegexOptions.Compiled),
+        private static readonly Regex smellsLikeOleDb = new(@"(?<![\p{L}\p{N}@_])[?@:$](?![\p{L}\p{N}@_])", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant | RegexOptions.Compiled),
             literalTokens = new(@"(?<![\p{L}\p{N}_])\{=([\p{L}\p{N}_]+)\}", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant | RegexOptions.Compiled),
             pseudoPositional = new(@"\?([\p{L}_][\p{L}\p{N}_]*)\?", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.Compiled);