Ticket #31242: 31242.17.patch

src/wp-includes/js/wp-emoji.js

@@ -102 +102 @@
                         }
 
                         /*
-                         * Chrome OS X added native emoji rendering in M41. Unfortunately,
+                         * Chrome on OS X added native emoji rendering in M41. Unfortunately,
                          * it doesn't work when the font is bolder than 500 weight. So, we
                          * check for bold rendering support to avoid invisible emoji in Chrome.
                          */
@@ -174 +174 @@
                                                         return false;
                                         }
 
-                                        if ( emoji.parseFlags && ! emoji.parseAllEmoji && ! icon.match( /^1f1(e[6-9a-f]|f[1-9a-f])-1f1(e[6-9a-f]|f[1-9a-f])$/ ) ) {
+                                        if (
+                                                emoji.parseFlags && ! emoji.parseAllEmoji &&
+                                                ! /^1f1(?:e[6-9a-f]|f[1-9a-f])-1f1(?:e[6-9a-f]|f[1-9a-f])$/.test( icon )
+                                        ) {
                                                 return false;
                                         }