diff --git a/.github/csc.json b/.github/csc.json
index febd619..7747606 100644
--- a/.github/csc.json
+++ b/.github/csc.json
@@ -4,7 +4,7 @@
             "owner": "csc",
             "pattern": [
                 {
-                    "regexp": "^([^\s].*)\((\d+)(?:,\d+|,\d+,\d+)?\):\s+(error|warning)\s+([a-zA-Z]+(?<!MSB)\d+):\s*(.*?)\s+\[([^\s]+)[\s\W\dA-z].*\]$",
+                    "regexp": "^([^\\s].*)\\((\\d+)(?:,\\d+|,\\d+,\\d+)?\\):\\s+(error|warning)\\s+([a-zA-Z]+(?<!MSB)\\d+):\\s*(.*?)\\s+\\[([^\\s]+)[\\s\\W\\dA-z].*\\]$",
                     "file": 1,
                     "line": 2,
                     "severity": 3,