diff --git a/Jenkinsfile b/Jenkinsfile
index 45d99d9..af8c9b3 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -139,11 +139,11 @@ const sourceExts = new Set(['.ts', '.js', '.cjs', '.mjs', '.sh']);
 
 function unescapeXml(value) {
   return String(value || '')
-    .replace(/"/g, '"')
-    .replace(/'/g, "'")
-    .replace(/&lt;/g, '<')
-    .replace(/&gt;/g, '>')
-    .replace(/&amp;/g, '&');
+    .split('&quot;').join('"')
+    .split('&apos;').join("'")
+    .split('&lt;').join('<')
+    .split('&gt;').join('>')
+    .split('&amp;').join('&');
 }
 
 function attr(attrs, name) {
@@ -174,7 +174,7 @@ function collectSourceFiles(rootDir) {
 }
 
 function categoryForClassname(classname) {
-  const normalized = String(classname || '').replace(/\\/g, '/');
+  const normalized = String(classname || '').split('\\').join('/');
   const relative = normalized.includes('/tests/')
     ? normalized.slice(normalized.indexOf('/tests/') + '/tests/'.length)
     : (normalized.startsWith('tests/') ? normalized.slice('tests/'.length) : normalized);
@@ -187,7 +187,7 @@ function categoryForClassname(classname) {
 
 function parseTestCases(junit) {
   const cases = [];
-  const re = /<testcase\b([^>]*)>([\s\S]*?)<\/testcase>|<testcase\b([^>]*)\/>/g;
+  const re = new RegExp('<testcase\\b([^>]*)>([\\s\\S]*?)</testcase>|<testcase\\b([^>]*)/>', 'g');
   let match;
   while ((match = re.exec(junit)) !== null) {
     const attrs = match[1] || match[3] || '';
@@ -205,16 +205,16 @@ function parseTestCases(junit) {
 }
 
 const junit = fs.existsSync(junitPath) ? fs.readFileSync(junitPath, 'utf8') : '';
-const tests = Number((junit.match(/tests="([0-9]+)"/) || [])[1] || 0);
-const failures = Number((junit.match(/failures="([0-9]+)"/) || [])[1] || 0);
-const errors = Number((junit.match(/errors="([0-9]+)"/) || [])[1] || (junit ? 0 : 1));
-const skipped = Number((junit.match(/skipped="([0-9]+)"/) || [])[1] || 0);
+const tests = Number((junit.match(new RegExp('tests="([0-9]+)"')) || [])[1] || 0);
+const failures = Number((junit.match(new RegExp('failures="([0-9]+)"')) || [])[1] || 0);
+const errors = Number((junit.match(new RegExp('errors="([0-9]+)"')) || [])[1] || (junit ? 0 : 1));
+const skipped = Number((junit.match(new RegExp('skipped="([0-9]+)"')) || [])[1] || 0);
 
 const cov = fs.existsSync(coveragePath) ? JSON.parse(fs.readFileSync(coveragePath, 'utf8')) : { total: {} };
 const total = cov.total || {};
 const sourceFiles = sourceRoots.flatMap((root) => collectSourceFiles(root));
 const overLimitFiles = sourceFiles
-  .map((file) => ({ file, lines: fs.readFileSync(file, 'utf8').split(/\r?\n/).length }))
+  .map((file) => ({ file, lines: fs.readFileSync(file, 'utf8').split(new RegExp('\\r?\\n')).length }))
   .filter((item) => item.lines > 500);
 
 const report = {
@@ -349,7 +349,10 @@ const sourceFilesTotal = Number(quality.hygiene?.sourceFilesTotal ?? 0);
 const sourceLinesOver500 = Number(quality.hygiene?.sourceLinesOver500 ?? 0);
 
 function esc(value) {
-  return String(value ?? '').replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\n/g, '\\n');
+  return String(value ?? '')
+    .split('\\').join('\\\\')
+    .split('"').join('\\"')
+    .split('\n').join('\\n');
 }
 
 function labelString(labels) {