From fc76056fb8f0ec713a3f2a2b6206a3336932c382 Mon Sep 17 00:00:00 2001
From: Andi Albrecht <albrecht.andi@gmail.com>
Date: Mon, 20 Mar 2023 08:46:10 +0100
Subject: Cleanup regex for detecting keywords (fixes #709).

---
 sqlparse/keywords.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sqlparse/keywords.py b/sqlparse/keywords.py
index f04f928..f85d468 100644
--- a/sqlparse/keywords.py
+++ b/sqlparse/keywords.py
@@ -86,7 +86,7 @@ SQL_REGEX = [
     (r'(NOT\s+)?(REGEXP)\b', tokens.Operator.Comparison),
     # Check for keywords, also returns tokens.Name if regex matches
     # but the match isn't a keyword.
-    (r'[0-9_\w][_$#\w]*', PROCESS_AS_KEYWORD),
+    (r'\w[$#\w]*', PROCESS_AS_KEYWORD),
     (r'[;:()\[\],\.]', tokens.Punctuation),
     (r'[<>=~!]+', tokens.Operator.Comparison),
     (r'[+/@#%^&|^-]+', tokens.Operator),
-- 
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