diff --git a/cr_checker/tool/cr_checker.py b/cr_checker/tool/cr_checker.py
index ef27eb9..66ad73d 100644
--- a/cr_checker/tool/cr_checker.py
+++ b/cr_checker/tool/cr_checker.py
@@ -1,5 +1,5 @@
 # *******************************************************************************
-# Copyright (c) 2024 Contributors to the Eclipse Foundation
+# Copyright (c) 2026 Contributors to the Eclipse Foundation
 #
 # See the NOTICE file(s) distributed with this work for additional
 # information regarding copyright ownership.
@@ -10,6 +10,9 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 # *******************************************************************************
+
+# Some portions generated by Copilot
+
 """The tool for checking if artifacts have proper copyright."""
 
 import argparse
@@ -124,17 +127,34 @@ def get_author_from_config(config_path: Path = None) -> str:
 
 def convert_bre_to_regex(template: str) -> str:
     """
-    Convert BRE-style template (literal by default) to standard regex.
-    In the template: * is literal, \\* is a metacharacter.
+    Convert a BRE-like template into a regex:
+    - '\' escapes the following character and inserts it as a regex meta character
+    - '*' is treated as a literal asterisk character
+    - '\*' in the template yields the regex meta character '*' (zero or more of the preceding element)
+    - everything else is taken literally (escaped with re.escape)
     """
-    # First, escape all regex metacharacters to make them literal
-    escaped = re.escape(template)
-    # Now, find escaped backslashes followed by escaped metacharacters
-    # and convert them back to actual regex metacharacters
-    metacharacters = r"\\.*+-?[]{}()^$|"
-    for char in metacharacters:
-        escaped = escaped.replace(re.escape("\\" + char), char)
-    return escaped
+
+    escaped = []
+    i = 0
+    template_len = len(template)
+
+    while i < template_len:
+        current_ch = template[i]
+
+        # Escape sequences
+        if current_ch == "\\" and i + 1 < template_len:
+            nxt = template[i + 1]
+
+            # Next char becomes regex meta character
+            escaped.append(nxt)
+            i += 2
+            continue
+
+        # Literal characters → re.escape
+        escaped.append(re.escape(current_ch))
+        i += 1
+
+    return "".join(escaped)
 
 
 def load_templates(path):
@@ -194,7 +214,7 @@ def load_exclusion(path):
         path (str): Path to the exclusion file.
 
     Returns:
-        tuple(list, bool): a list of files that are excluded from the coypright check and a boolean indicating whether
+        tuple(list, bool): a list of files that are excluded from the copyright check and a boolean indicating whether
                            all paths listed in the exclusion file exist and are files.
     """