From bd6f3e574a15520471dae28f44008c513d4998d2 Mon Sep 17 00:00:00 2001
From: Mirochill <200482516+Mirochill@users.noreply.github.com>
Date: Thu, 21 May 2026 20:45:33 +0200
Subject: [PATCH] Fix Python 3.14 regex escape warnings

---
 nbs/00_core.ipynb      | 4 ++--
 nbs/02_utils.ipynb     | 2 +-
 sql_formatter/core.py  | 6 +++---
 sql_formatter/utils.py | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/nbs/00_core.ipynb b/nbs/00_core.ipynb
index 359bf4f..6684980 100644
--- a/nbs/00_core.ipynb
+++ b/nbs/00_core.ipynb
@@ -1359,7 +1359,7 @@
     "def reformat_too_long_line(li, max_len=82):\n",
     "    \"Reformat too long line `li` if it is longer than `max_len` characters after stripping\"\n",
     "    if len(li.strip()) > max_len:\n",
-    "        function_re = re.compile(\"[\\w\\d]+\\(\")\n",
+    "        function_re = re.compile(r\"[\\w\\d]+\\(\")\n",
     "        if function_re.search(li):\n",
     "            out_list = []\n",
     "            in_function = False  # indicator for reformatting line with function\n",
@@ -3307,7 +3307,7 @@
     "    if len(split_c) == 1:\n",
     "        split_s[-1] = last_line + \";\"\n",
     "    else:\n",
-    "        split_c[0][\"string\"] = re.sub(\"(.*[\\w\\d]+)(\\s*)$\", r\"\\1;\\2\", split_c[0][\"string\"])\n",
+    "        split_c[0][\"string\"] = re.sub(r\"(.*[\\w\\d]+)(\\s*)$\", r\"\\1;\\2\", split_c[0][\"string\"])\n",
     "        split_s[-1] = \"\".join([d[\"string\"] for d in split_c])\n",
     "    return \"\\n\".join(split_s)"
    ]
diff --git a/nbs/02_utils.ipynb b/nbs/02_utils.ipynb
index 9341b2e..e892138 100644
--- a/nbs/02_utils.ipynb
+++ b/nbs/02_utils.ipynb
@@ -2473,7 +2473,7 @@
     "        # add comment to it and replace [C] by empty string and [CS] by newline + proper indentation\n",
     "        whitespace = \"\" if match_beginn_cs.match(d[\"comment\"]) else \" \"\n",
     "        fsplit_s_out[line_number] += whitespace + re.sub(\n",
-    "            \"\\[CS\\]\", \n",
+    "            r\"\\[CS\\]\", \n",
     "            \"\\n\" + \" \" * indentation, \n",
     "            replace_c.sub(\"\", d[\"comment\"])\n",
     "        )        \n",
diff --git a/sql_formatter/core.py b/sql_formatter/core.py
index ab3c3fb..89a8b83 100644
--- a/sql_formatter/core.py
+++ b/sql_formatter/core.py
@@ -185,7 +185,7 @@ def format_case_when(s):
 def reformat_too_long_line(li, max_len=82):
     "Reformat too long line `li` if it is longer than `max_len` characters after stripping"
     if len(li.strip()) > max_len:
-        function_re = re.compile("[\w\d]+\(")
+        function_re = re.compile(r"[\w\d]+\(")
         if function_re.search(li):
             out_list = []
             in_function = False  # indicator for reformatting line with function
@@ -440,7 +440,7 @@ def add_semicolon(s):
     if len(split_c) == 1:
         split_s[-1] = last_line + ";"
     else:
-        split_c[0]["string"] = re.sub("(.*[\w\d]+)(\s*)$", r"\1;\2", split_c[0]["string"])
+        split_c[0]["string"] = re.sub(r"(.*[\w\d]+)(\s*)$", r"\1;\2", split_c[0]["string"])
         split_s[-1] = "".join([d["string"] for d in split_c])
     return "\n".join(split_s)
 
@@ -482,4 +482,4 @@ def format_sql(s, semicolon=False, max_len=82):
         subquery_pos = extract_outer_subquery(s)
     # remove whitespace between word and parenthesis
     s = re.sub(r"\s*\)", ")", s)
-    return s
\ No newline at end of file
+    return s
diff --git a/sql_formatter/utils.py b/sql_formatter/utils.py
index a9d3723..28cb48b 100644
--- a/sql_formatter/utils.py
+++ b/sql_formatter/utils.py
@@ -697,9 +697,9 @@ def assign_comment(fs, cds):
         # add comment to it and replace [C] by empty string and [CS] by newline + proper indentation
         whitespace = "" if match_beginn_cs.match(d["comment"]) else " "
         fsplit_s_out[line_number] += whitespace + re.sub(
-            "\[CS\]",
+            r"\[CS\]",
             "\n" + " " * indentation,
             replace_c.sub("", d["comment"])
         )
     s_out = "\n".join(fsplit_s_out)
-    return s_out
\ No newline at end of file
+    return s_out