diff --git a/src/core/operations/ExtractEmailAddresses.mjs b/src/core/operations/ExtractEmailAddresses.mjs
index 6c2dc740..54ccf95b 100644
--- a/src/core/operations/ExtractEmailAddresses.mjs
+++ b/src/core/operations/ExtractEmailAddresses.mjs
@@ -39,8 +39,8 @@ class ExtractEmailAddresses extends Operation {
      */
     run(input, args) {
         const displayTotal = args[0],
-            regex = /\b\w[-.\w]*@[-\w]+(?:\.[-\w]+)*\.[A-Z]{2,4}\b/ig;
-
+        // email regex from: https://www.regextester.com/98066
+            regex = /(?:[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9](?:[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9-]*[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9])?\.)+[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9](?:[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9-]*[\u00A0-\uD7FF\uE000-\uFFFF-a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])/ig;
         return search(input, regex, null, displayTotal);
     }
 
diff --git a/test/index.mjs b/test/index.mjs
index 9bb93a60..adf5144a 100644
--- a/test/index.mjs
+++ b/test/index.mjs
@@ -40,6 +40,7 @@ import "./tests/operations/Compress";
 import "./tests/operations/ConditionalJump";
 import "./tests/operations/Crypt";
 import "./tests/operations/DateTime";
+import "./tests/operations/ExtractEmailAddresses";
 import "./tests/operations/Fork";
 import "./tests/operations/FromGeohash.mjs";
 import "./tests/operations/Hash";
diff --git a/test/tests/operations/ExtractEmailAddresses.mjs b/test/tests/operations/ExtractEmailAddresses.mjs
new file mode 100644
index 00000000..19782ec3
--- /dev/null
+++ b/test/tests/operations/ExtractEmailAddresses.mjs
@@ -0,0 +1,55 @@
+/**
+ * extract email address tests.
+ *
+ * @author Klaxon [klaxon@veyr.com]
+ * @copyright Crown Copyright 2017
+ * @license Apache-2.0
+ */
+import TestRegister from "../../TestRegister";
+
+TestRegister.addTests([
+    {
+        name: "Extract email address",
+        input: "email@example.com\nfirstname.lastname@example.com\nemail@subdomain.example.com\nfirstname+lastname@example.com\n1234567890@example.com\nemail@example-one.com\n_______@example.com email@example.name\nemail@example.museum email@example.co.jp firstname-lastname@example.com",
+        expectedOutput: "email@example.com\nfirstname.lastname@example.com\nemail@subdomain.example.com\nfirstname+lastname@example.com\n1234567890@example.com\nemail@example-one.com\n_______@example.com\nemail@example.name\nemail@example.museum\nemail@example.co.jp\nfirstname-lastname@example.com\n",
+        recipeConfig: [
+            {
+                "op": "Extract email addresses",
+                "args": [false]
+            },
+        ],
+    },
+    {
+        name: "Extract email address - Display total",
+        input: "email@example.com\nfirstname.lastname@example.com\nemail@subdomain.example.com\nfirstname+lastname@example.com\n1234567890@example.com\nemail@example-one.com\n_______@example.com email@example.name\nemail@example.museum email@example.co.jp firstname-lastname@example.com",
+        expectedOutput: "Total found: 11\n\nemail@example.com\nfirstname.lastname@example.com\nemail@subdomain.example.com\nfirstname+lastname@example.com\n1234567890@example.com\nemail@example-one.com\n_______@example.com\nemail@example.name\nemail@example.museum\nemail@example.co.jp\nfirstname-lastname@example.com\n",
+        recipeConfig: [
+            {
+                "op": "Extract email addresses",
+                "args": [true]
+            },
+        ],
+    },
+    {
+        name: "Extract email address (Internationalized)",
+        input: "\u4f0a\u662d\u5091@\u90f5\u4ef6.\u5546\u52d9 \u093e\u092e@\u092e\u094b\u0939\u0928.\u0908\u0928\u094d\u092b\u094b\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c \u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc Jos\u1ec5Silv\u1ec5@googl\u1ec5.com\nJos\u1ec5Silv\u1ec5@google.com and Jos\u1ec5Silva@google.com\nFoO@BaR.CoM, john@192.168.10.100\ng\xf3mez@junk.br and Abc.123@example.com.\nuser+mailbox/department=shipping@example.com\n\u7528\u6237@\u4f8b\u5b50.\u5e7f\u544a\n\u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e@\u0909\u0926\u093e\u0939\u0930\u0923.\u0915\u0949\u092e\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c\n\u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc\nD\xf6rte@S\xf6rensen.example.com\n\u0430\u0434\u0436\u0430\u0439@\u044d\u043a\u0437\u0430\u043c\u043f\u043b.\u0440\u0443\u0441\ntest@xn--bcher-kva.com",
+        expectedOutput: "\u4f0a\u662d\u5091@\u90f5\u4ef6.\u5546\u52d9\n\u093e\u092e@\u092e\u094b\u0939\u0928.\u0908\u0928\u094d\u092b\u094b\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c\n\u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc\nJos\u1ec5Silv\u1ec5@googl\u1ec5.com\nJos\u1ec5Silv\u1ec5@google.com\nJos\u1ec5Silva@google.com\nFoO@BaR.CoM\njohn@192.168.10.100\ng\xf3mez@junk.br\nAbc.123@example.com\nuser+mailbox/department=shipping@example.com\n\u7528\u6237@\u4f8b\u5b50.\u5e7f\u544a\n\u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e@\u0909\u0926\u093e\u0939\u0930\u0923.\u0915\u0949\u092e\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c\n\u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc\nD\xf6rte@S\xf6rensen.example.com\n\u0430\u0434\u0436\u0430\u0439@\u044d\u043a\u0437\u0430\u043c\u043f\u043b.\u0440\u0443\u0441\ntest@xn--bcher-kva.com\n",
+        recipeConfig: [
+            {
+                "op": "Extract email addresses",
+                "args": [false]
+            },
+        ],
+    },
+    {
+        name: "Extract email address - Display total (Internationalized)",
+        input: "\u4f0a\u662d\u5091@\u90f5\u4ef6.\u5546\u52d9 \u093e\u092e@\u092e\u094b\u0939\u0928.\u0908\u0928\u094d\u092b\u094b\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c \u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc Jos\u1ec5Silv\u1ec5@googl\u1ec5.com\nJos\u1ec5Silv\u1ec5@google.com and Jos\u1ec5Silva@google.com\nFoO@BaR.CoM, john@192.168.10.100\ng\xf3mez@junk.br and Abc.123@example.com.\nuser+mailbox/department=shipping@example.com\n\u7528\u6237@\u4f8b\u5b50.\u5e7f\u544a\n\u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e@\u0909\u0926\u093e\u0939\u0930\u0923.\u0915\u0949\u092e\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c\n\u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc\nD\xf6rte@S\xf6rensen.example.com\n\u0430\u0434\u0436\u0430\u0439@\u044d\u043a\u0437\u0430\u043c\u043f\u043b.\u0440\u0443\u0441\ntest@xn--bcher-kva.com",
+        expectedOutput: "Total found: 19\n\n\u4f0a\u662d\u5091@\u90f5\u4ef6.\u5546\u52d9\n\u093e\u092e@\u092e\u094b\u0939\u0928.\u0908\u0928\u094d\u092b\u094b\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c\n\u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc\nJos\u1ec5Silv\u1ec5@googl\u1ec5.com\nJos\u1ec5Silv\u1ec5@google.com\nJos\u1ec5Silva@google.com\nFoO@BaR.CoM\njohn@192.168.10.100\ng\xf3mez@junk.br\nAbc.123@example.com\nuser+mailbox/department=shipping@example.com\n\u7528\u6237@\u4f8b\u5b50.\u5e7f\u544a\n\u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e@\u0909\u0926\u093e\u0939\u0930\u0923.\u0915\u0949\u092e\n\u044e\u0437\u0435\u0440@\u0435\u043a\u0437\u0430\u043c\u043f\u043b.\u043a\u043e\u043c\n\u03b8\u03c3\u03b5\u03c1@\u03b5\u03c7\u03b1\u03bc\u03c0\u03bb\u03b5.\u03c8\u03bf\u03bc\nD\xf6rte@S\xf6rensen.example.com\n\u0430\u0434\u0436\u0430\u0439@\u044d\u043a\u0437\u0430\u043c\u043f\u043b.\u0440\u0443\u0441\ntest@xn--bcher-kva.com\n",
+        recipeConfig: [
+            {
+                "op": "Extract email addresses",
+                "args": [true]
+            },
+        ],
+    },
+]);