fix(emoji): asterisk should not be treated as emoji (#668)

package-lock.json

@@ -508,7 +508,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "requires": {
             "inherits": "2.0.1"

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

@@ -60,12 +60,16 @@ describe('test-emoji.js', function () {
     )
   })
 
-  it('does not replace digits or pound', function () {
+  it('does not replace non-emoji characters', function () {
     let replacer = _ => `<div>${_}</div>`
     assert.strictEqual(
       replaceEmoji(`it's over #9000`, replacer),
       `it's over #9000`
     )
+    assert.strictEqual(
+      replaceEmoji(`woot !@#$%^&*()~` + '`' + `{[}]:;"'<,>.?/£`, replacer),
+      `woot !@#$%^&*()~` + '`' + `{[}]:;"'<,>.?/£`
+    )
   })
 
   it('does not replace emoji inside HTML tags', function () {