diff --git a/src/tools/regex-tester/regex-tester.service.test.ts b/src/tools/regex-tester/regex-tester.service.test.ts
index 2928dc77..f59f331b 100644
--- a/src/tools/regex-tester/regex-tester.service.test.ts
+++ b/src/tools/regex-tester/regex-tester.service.test.ts
@@ -93,7 +93,7 @@ const regexesData = [
     ],
   },
   {
-    regex: '\\s([^\\s\\[]+)(?:\\[(\\d+)\\])?:\\s',
+    regex: String.raw`\s([^\s\[]+)(?:\[(\d+)\])?:\s`,
     text: 'Nov 11 21:03:26 abc2 def.sh[1]: \nNov 11 21:03:26 abc2 def.sh: ',
     flags: 'gm',
     result: [