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-rwxr-xr-xBaseTools/Source/Python/Common/GlobalData.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/BaseTools/Source/Python/Common/GlobalData.py b/BaseTools/Source/Python/Common/GlobalData.py
index 197bd83666..11849e863f 100755
--- a/BaseTools/Source/Python/Common/GlobalData.py
+++ b/BaseTools/Source/Python/Common/GlobalData.py
@@ -33,10 +33,10 @@ gDefaultStores = []
gGuidDict = {}
# definition for a MACRO name. used to create regular expressions below.
-_MacroNamePattern = "[A-Z][A-Z0-9_]*"
+_MacroNamePattern = r"[A-Z][A-Z0-9_]*"
## Regular expression for matching macro used in DSC/DEC/INF file inclusion
-gMacroRefPattern = re.compile("\$\(({})\)".format(_MacroNamePattern), re.UNICODE)
+gMacroRefPattern = re.compile(r"\$\(({})\)".format(_MacroNamePattern), re.UNICODE)
gMacroDefPattern = re.compile("^(DEFINE|EDK_GLOBAL)[ \t]+")
gMacroNamePattern = re.compile("^{}$".format(_MacroNamePattern))