diff --git a/src/extension.ts b/src/extension.ts
index 936ffad..df5d990 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -1320,15 +1320,15 @@ let loader=null,sending=false,pendingFiles=[];
 /* Syntax Highlighting (lightweight) */
 function highlight(code,lang){
   let h=esc(code);
-  h=h.replace(/(\\\\/\\\\/[^\\\\n]*)/g,'<span class=\"cm\">$1</span>');
-  h=h.replace(/(#[^\\\\n]*)/g,'<span class=\"cm\">$1</span>');
-  h=h.replace(/(\\\\/\\\\*[\\\\s\\\\S]*?\\\\*\\\\/)/g,'<span class=\"cm\">$1</span>');
+  h=h.replace(/(\\/\\/[^\\n]*)/g,'<span class=\"cm\">$1</span>');
+  h=h.replace(/(#[^\\n]*)/g,'<span class=\"cm\">$1</span>');
+  h=h.replace(/(\\/\\*[\\s\\S]*?\\*\\/)/g,'<span class=\"cm\">$1</span>');
   h=h.replace(/(&quot;[^&]*?&quot;|&#x27;[^&]*?&#x27;)/g,'<span class=\"str\">$1</span>');
-  h=h.replace(/\\\\b(function|const|let|var|return|if|else|for|while|class|import|export|from|default|async|await|try|catch|throw|new|this|def|self|print|lambda|yield|with|as|raise|except|finally)\\\\b/g,'<span class=\"kw\">$1</span>');
-  h=h.replace(/\\\\b(\\\\d+\\\\.?\\\\d*)\\\\b/g,'<span class=\"num\">$1</span>');
-  h=h.replace(/\\\\b(True|False|None|true|false|null|undefined|NaN)\\\\b/g,'<span class=\"num\">$1</span>');
-  h=h.replace(/\\\\b(String|Number|Boolean|Array|Object|Map|Set|Promise|void|int|float|str|list|dict|tuple)\\\\b/g,'<span class=\"type\">$1</span>');
-  h=h.replace(/([=!&lt;&gt;+\\\\-*/%|&amp;^~?:]+)/g,'<span class=\"op\">$1</span>');
+  h=h.replace(/\\b(function|const|let|var|return|if|else|for|while|class|import|export|from|default|async|await|try|catch|throw|new|this|def|self|print|lambda|yield|with|as|raise|except|finally)\\b/g,'<span class=\"kw\">$1</span>');
+  h=h.replace(/\\b(\\d+\\.?\\d*)\\b/g,'<span class=\"num\">$1</span>');
+  h=h.replace(/\\b(True|False|None|true|false|null|undefined|NaN)\\b/g,'<span class=\"num\">$1</span>');
+  h=h.replace(/\\b(String|Number|Boolean|Array|Object|Map|Set|Promise|void|int|float|str|list|dict|tuple)\\b/g,'<span class=\"type\">$1</span>');
+  h=h.replace(/([=!&lt;&gt;+\\-*/%|&amp;^~?:]+)/g,'<span class=\"op\">$1</span>');
   return h;
 }
 
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..a33d953
--- /dev/null
+++ b/test.js
@@ -0,0 +1 @@
+`h.replace(/(\/\/[^\n]*)/g)`