So siehts ganz gut aus !

node_modules/core-js/modules/core.regexp.escape.js

@@ -0,0 +1,5 @@
+// https://github.com/benjamingr/RexExp.escape
+var $export = require('./_export');
+var $re = require('./_replacer')(/[\\^$*+?.()|[\]{}]/g, '\\$&');
+
+$export($export.S, 'RegExp', { escape: function escape(it) { return $re(it); } });