diff --git a/build.py b/build.py
index 8b13789..01e255e 100644
--- a/build.py
+++ b/build.py
@@ -1 +1,3 @@
-
+import re
+def validate_email(email):
+    return bool(re.search(r"^[\w\.\+\-]+\@[\w]+\.[a-z]{2,3}$", email))
diff --git a/build.pyc b/build.pyc
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index 0000000..8a19f08
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..bda8c4d
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diff --git a/tests/test_validate_email.pyc b/tests/test_validate_email.pyc
new file mode 100644
index 0000000..5daaeee
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