diff --git a/lib/index.js b/lib/index.js
index c5ca771..18d5c1f 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -132,7 +132,7 @@ function transformGfmAutolinkLiterals(tree) {
     tree,
     [
       [/(https?:\/\/|www(?=\.))([-.\w]+)([^ \t\r\n]*)/gi, findUrl],
-      [/(?<=^|\s|\p{P}|\p{S})([-.\w+]+)@([-\w]+(?:\.[-\w]+)+)/gu, findEmail]
+      [/(?:^|\s|[!"#$%&'()*+,\-./:;<=>?@[\\]^_`{|}~])([-.\\w+]+)@([-\w]+(?:\.[-\w]+)+)/gi, findEmail]
     ],
     {ignore: ['link', 'linkReference']}
   )