Do not break JS RegExps that look like comments

For example, prevent "/\/path\/to\//" from being replaced with "/\/path\/to\"

Author: blmage

lib/internal/Magento/Framework/View/Template/Html/Minifier.php

@@ -162,11 +162,11 @@ function ($match) use (&$heredocs) {
                         . '(?:<(?>textarea|pre|script)\b|\z))#',
                         ' ',
                         preg_replace(
-                            '#(?<!:|\\\\|\'|"|/)//(?!/)(?!\s*\<\!\[)(?!\s*]]\>)[^\n\r]*'
+                            '#(?<!:|\\\\|\\\|\'|"|/)//(?!/)(?!\s*\<\!\[)(?!\s*]]\>)[^\n\r]*'
                             . '(?!(?:(?:[^<]++|<(?!/?(?:script)\b))*+)(?:<(?>script)\b|\z))#',
                             '',
                             preg_replace(
-                                '#(?<!:)//[^\n\r]*(\<\?(php|=))[^\n\r]*(\s\?\>)[^\n\r]*'
+                                '#(?<!:|\\\)//[^\n\r]*(\<\?(php|=))[^\n\r]*(\s\?\>)[^\n\r]*'
                                 . '(?!(?:(?:[^<]++|<(?!/?(?:script)\b))*+)(?:<(?>script)\b|\z))#',
                                 '',
                                 ($content ?? '')