[lldb] Fixed SyntaxWarning: invalid escape sequence \[ \d \s (#91146)

Reproduced with Python 3.12.3

Author: slydiman

lldb/packages/Python/lldbsuite/test/tools/lldb-server/gdbremote_testcase.py

@@ -130,9 +130,9 @@ def setUp(self):
         self.stub_sends_two_stop_notifications_on_kill = False
         if configuration.lldb_platform_url:
             if configuration.lldb_platform_url.startswith("unix-"):
-                url_pattern = "(.+)://\[?(.+?)\]?/.*"
+                url_pattern = r"(.+)://\[?(.+?)\]?/.*"
             else:
-                url_pattern = "(.+)://(.+):\d+"
+                url_pattern = r"(.+)://(.+):\d+"
             scheme, host = re.match(
                 url_pattern, configuration.lldb_platform_url
             ).groups()

lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py

@@ -50,7 +50,7 @@ def get_debugserver_exe():
 
 
 _LOG_LINE_REGEX = re.compile(
-    r"^(lldb-server|debugserver)\s+<\s*(\d+)>" + "\s+(read|send)\s+packet:\s+(.+)$"
+    r"^(lldb-server|debugserver)\s+<\s*(\d+)>\s+(read|send)\s+packet:\s+(.+)$"
 )