diff --git a/checker.js b/checker.js
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--- /dev/null
+++ b/checker.js
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+function validateEmail(email) {
+ var re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+ return re.test(String(email).toLowerCase());
+}
+
+console.log(validateEmail('hafrizreSa@gmail.com'))
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diff --git a/index.html b/index.html
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index 0000000..99a8b4a
--- /dev/null
+++ b/index.html
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+
+
+
+
+
+
+
+ Document
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file