fix(emoji): fix ™® characters treated as emoji (#682)

fixes #679

routes/_utils/replaceEmoji.js

@@ -9,7 +9,7 @@ export function replaceEmoji (string, replacer) {
 
   function safeReplacer (substring) {
     // emoji regex matches digits and pound sign https://git.io/fpl6J
-    if (substring.match(/^[0-9#*]+$/)) {
+    if (substring.match(/^[0-9#*™®]+$/)) {
       return substring
     }
     return replacer(substring)

tests/unit/test-emoji.js

@@ -67,8 +67,8 @@ describe('test-emoji.js', function () {
       `it's over #9000`
     )
     assert.strictEqual(
-      replaceEmoji(`woot !@#$%^&*()~` + '`' + `{[}]:;"'<,>.?/£`, replacer),
-      `woot !@#$%^&*()~` + '`' + `{[}]:;"'<,>.?/£`
+      replaceEmoji(`woot !@#$%^&*()~` + '`' + `{[}]:;"'<,>.?/£™℠®`, replacer),
+      `woot !@#$%^&*()~` + '`' + `{[}]:;"'<,>.?/£™℠®`
     )
   })