From a0d81b3fa18d57af2eda82203c78c79e09570c7a Mon Sep 17 00:00:00 2001
From: James <james@conan.io>
Date: Thu, 4 Mar 2021 08:11:14 +0100
Subject: [PATCH] remove regex warnings (#8592)

---
 conans/client/build/msbuild.py |  2 +-
 conans/client/conf/detect.py   | 10 +++++-----
 conans/client/tools/scm.py     |  8 +++++---
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/conans/client/build/msbuild.py b/conans/client/build/msbuild.py
index 60ca59c0dc1..da88f07037b 100644
--- a/conans/client/build/msbuild.py
+++ b/conans/client/build/msbuild.py
@@ -252,7 +252,7 @@ def get_version(settings):
         try:
             out = version_runner(command, shell=True)
             version_line = decode_text(out).split("\n")[-1]
-            prog = re.compile("(\d+\.){2,3}\d+")
+            prog = re.compile(r"(\d+\.){2,3}\d+")
             result = prog.match(version_line).group()
             return Version(result)
         except Exception as e:
diff --git a/conans/client/conf/detect.py b/conans/client/conf/detect.py
index dd824389846..4b19639ac61 100644
--- a/conans/client/conf/detect.py
+++ b/conans/client/conf/detect.py
@@ -6,7 +6,7 @@
 
 from conans.client.conf.compiler_id import UNKNOWN_COMPILER, LLVM_GCC, detect_compiler_id
 from conans.client.output import Color
-from conans.client.tools import detected_os, detected_architecture, OSInfo
+from conans.client.tools import detected_os, detected_architecture
 from conans.client.tools.win import latest_visual_studio_version_installed
 from conans.model.version import Version
 from conans.util.conan_v2_mode import CONAN_V2_MODE_ENVVAR
@@ -41,7 +41,7 @@ def _gcc_compiler(output, compiler_exe="gcc"):
         if ret != 0:
             return None
         compiler = "gcc"
-        installed_version = re.search("([0-9]+(\.[0-9])?)", out).group()
+        installed_version = re.search(r"([0-9]+(\.[0-9])?)", out).group()
         # Since GCC 7.1, -dumpversion return the major version number
         # only ("7"). We must use -dumpfullversion to get the full version
         # number ("7.1.1").
@@ -61,7 +61,7 @@ def _clang_compiler(output, compiler_exe="clang"):
             compiler = "apple-clang"
         elif "clang version" in out:
             compiler = "clang"
-        installed_version = re.search("([0-9]+\.[0-9])", out).group()
+        installed_version = re.search(r"([0-9]+\.[0-9])", out).group()
         if installed_version:
             output.success("Found %s %s" % (compiler, installed_version))
             return compiler, installed_version
@@ -73,11 +73,11 @@ def _sun_cc_compiler(output, compiler_exe="cc"):
     try:
         _, out = detect_runner('%s -V' % compiler_exe)
         compiler = "sun-cc"
-        installed_version = re.search("Sun C.*([0-9]+\.[0-9]+)", out)
+        installed_version = re.search(r"Sun C.*([0-9]+\.[0-9]+)", out)
         if installed_version:
             installed_version = installed_version.group(1)
         else:
-            installed_version = re.search("([0-9]+\.[0-9]+)", out).group()
+            installed_version = re.search(r"([0-9]+\.[0-9]+)", out).group()
         if installed_version:
             output.success("Found %s %s" % (compiler, installed_version))
             return compiler, installed_version
diff --git a/conans/client/tools/scm.py b/conans/client/tools/scm.py
index b8cb2cfec40..39d77954ecf 100644
--- a/conans/client/tools/scm.py
+++ b/conans/client/tools/scm.py
@@ -109,9 +109,11 @@ def get_url_with_credentials(self, url):
             return url
 
         scp_regex = re.compile("^(?P<user>[a-zA-Z0-9_]+)@(?P<domain>[a-zA-Z0-9._-]+):(?P<url>.*)$")
-        url_user_pass_regex = re.compile("^(?P<scheme>file|http|https|git|ssh):\/\/(?P<user>\w+):(?P<password>\w+)@(?P<url>.*)$")
-        url_user_regex = re.compile("^(?P<scheme>file|http|https|git|ssh):\/\/(?P<user>\w+)@(?P<url>.*)$")
-        url_basic_regex = re.compile("^(?P<scheme>file|http|https|git|ssh):\/\/(?P<url>.*)$")
+        url_user_pass_regex = re.compile(
+            r"^(?P<scheme>file|http|https|git|ssh)://(?P<user>\w+):(?P<password>\w+)@(?P<url>.*)$")
+        url_user_regex = re.compile(
+            r"^(?P<scheme>file|http|https|git|ssh)://(?P<user>\w+)@(?P<url>.*)$")
+        url_basic_regex = re.compile(r"^(?P<scheme>file|http|https|git|ssh)://(?P<url>.*)$")
 
         url_patterns = [
             (scp_regex, self._handle_scp_pattern),