lib: remove redundant global regexps

PR-URL: #56182
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: LiviaMedeiros <livia@cirno.name>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

lib/internal/util/debuglog.js

@@ -173,7 +173,7 @@ function formatTime(ms) {
 }
 
 function safeTraceLabel(label) {
-  return label.replace(/\\/g, '\\\\').replaceAll('"', '\\"');
+  return label.replaceAll('\\', '\\\\').replaceAll('"', '\\"');
 }
 
 /**

lib/url.js

@@ -704,7 +704,7 @@ Url.prototype.format = function format() {
     }
   }
 
-  search = search.replace(/#/g, '%23');
+  search = search.replaceAll('#', '%23');
 
   if (hash && hash.charCodeAt(0) !== CHAR_HASH)
     hash = '#' + hash;