diff --git a/test/maple_test/compare.py b/test/maple_test/compare.py
index a5f1d92b390b324b2276b43b4fe6be68324b52ee..fa7e40a13d15e73e12971703b7edf7519d070eaa 100644
--- a/test/maple_test/compare.py
+++ b/test/maple_test/compare.py
@@ -23,7 +23,7 @@ from textwrap import indent
 from functools import partial
 
 from utils import complete_path, read_file
-from utils import split_comment, filter_line
+from utils import split_comment, filter_line, escape
 
 ASSERT_FLAG = "ASSERT"
 EXPECTED_FLAG = "EXPECTED"
@@ -239,7 +239,7 @@ def gen_compare_regex(comment, assert_flags, expected_flag):
     regex = ""
     for flag in expected_flag:
         excepted_regex = r"(?:{comment}\s*)({flag}[\t ]*\:[\t ]*.*$)".format(
-            comment=comment, flag=flag
+            comment=escape("\\$()*+.[]?^{}|", comment), flag=flag
         )
         if regex != "":
             regex = "{}|{}".format(regex, excepted_regex)
@@ -247,7 +247,7 @@ def gen_compare_regex(comment, assert_flags, expected_flag):
             regex = excepted_regex
     for flag in assert_flags:
         assert_regex = r"(?:^[\t ]*{comment}\s*)({flag}[\t ]*\:[\t ]*.*$)".format(
-            comment=comment, flag=flag
+            comment=escape("\\$()*+.[]?^{}|", comment), flag=flag
         )
         if regex != "":
             regex = "{}|{}".format(regex, assert_regex)
diff --git a/test/maple_test/task.py b/test/maple_test/task.py
index 05a6ac8efb4f753a0318a4eaa33eb8a455e8ea4b..45e1fa168e4fda780691aed6db2b2417f8085c3e 100644
--- a/test/maple_test/task.py
+++ b/test/maple_test/task.py
@@ -43,6 +43,7 @@ from maple_test.utils import (
     ls_all,
     complete_path,
     is_relative,
+    quote,
 )
 
 
@@ -544,7 +545,7 @@ class SingleTask:
         for command in case.commands:
             command = self._form_line(command, config)
             compare_cmd = " {} {} --comment={} ".format(
-                EXECUTABLE, COMPARE, shlex.quote(case.comment)
+                EXECUTABLE, COMPARE, quote(case.comment)
             )
             self.commands.append(format_compare_command(command, compare_cmd))
 
diff --git a/test/maple_test/utils.py b/test/maple_test/utils.py
index fa27c7f14a173798e03acd62f29a59ff3a5fbc58..f4d7c1b4be5da517002d644161f0d7657449cf4f 100644
--- a/test/maple_test/utils.py
+++ b/test/maple_test/utils.py
@@ -20,6 +20,9 @@ import locale
 import os
 import sys
 import timeit
+import re
+import platform
+import shlex
 from functools import wraps
 from pathlib import Path
 
@@ -198,3 +201,23 @@ def merge_result(multi_results):
         if result in UNSUCCESSFUL:
             return result
     return PASS
+
+
+def escape(special_chars, original_string):
+    special_re = re.compile(
+        "(" + "|".join(re.escape(char) for char in list(special_chars)) + ")"
+    )
+    special_map = {char: "\\%s" % char for char in special_chars}
+
+    def escape_special_char(m):
+        char = m.group(1)
+        return special_map[char]
+
+    return special_re.sub(escape_special_char, original_string)
+
+
+def quote(original_string):
+    if platform.system() == "Windows":
+        return '"' + escape('\\"', original_string) + '"'
+    else:
+        return shlex.quote(original_string)