fix(middleware-code-coverage): incomplete string escaping or encoding (#194)

JIRA: CPOUI5FOUNDATION-728

Author: d3xter666

packages/middleware-code-coverage/lib/util.js

@@ -178,10 +178,14 @@ async function excludePatterns(resources) {
 				if (sPattern.endsWith("**")) {
 					sPattern = sPattern + "/*";
 				}
+
 				// quote characters that might have been used but have a special meaning in regular expressions
-				// TODO: clarify is this regex is valid
-				// eslint-disable-next-line no-useless-escape
-				sPattern = sPattern.replace(/[\[\]\(\)\.]/g, "\\$&");
+				sPattern = sPattern
+					.replaceAll("[", "\\[")
+					.replaceAll("]", "\\]")
+					.replaceAll("(", "\\(")
+					.replaceAll(")", "\\)")
+					.replaceAll(".", "\\.");
 				// our wildcard '*' means 'any name segment, but not multiple components'
 				sPattern = sPattern.replace(/\*/g, "[^/]*");
 				// our wildcard '**/' means 'any number of name segments'