fixed regex

frontend/src/pages/posts/[slug].astro

@@ -14,19 +14,36 @@ let post: PostDetail | null = null;
 let html = '';
 let error = '';
 
-// Custom citation pre-processor
+// Custom citation pre-processor (Regex-Free!)
 function processCitations(text: string) {
-  // Using RegExp constructor to completely bypass Astro/esbuild literal parsing bugs
-  const citeRegex = new RegExp('\\', 'g');
+  let result = text;
   
-  return text.replace(citeRegex, (match, citations) => {
+  // Keep looking for citation tags until there are none left
+  while (result.includes('', startIndex)) {
+    
+    // Safety check: if there's no closing bracket, stop to prevent infinite loops
+    if (endIndex === -1) break; 
+    
+    // Extract the exact string to replace (e.g., "")
+    const fullMatch = result.substring(startIndex, endIndex + 1);
+    
+    // Extract just the numbers/IDs (e.g., "1, 2")
+    const citations = result.substring(startIndex + 6, endIndex).trim();
+    
+    // Build the HTML links
     const links = citations.split(',').map((c: string) => {
       const id = c.trim();
       return `<a href="#cite-${id}" class="text-sapphire hover:text-sky transition-colors no-underline">${id}</a>`;
     }).join(', ');
     
-    return `<sup class="bg-surface0 px-1.5 py-0.5 rounded-md border border-surface1 ml-0.5 font-mono text-[10px] md:text-xs shadow-sm align-super">[${links}]</sup>`;
-  });
+    // Build the superscript wrapper
+    const replacement = `<sup class="bg-surface0 px-1.5 py-0.5 rounded-md border border-surface1 ml-0.5 font-mono text-[10px] md:text-xs shadow-sm align-super">[${links}]</sup>`;
+    
+    // Replace the first occurrence we found, then the loop will handle the rest
+    result = result.replace(fullMatch, replacement);
+  }
+  
+  return result;
 }
 
 try {