diff --git a/build.py b/build.py
index 8b13789..7b9ec7e 100644
--- a/build.py
+++ b/build.py
@@ -1 +1,10 @@
-
+import re
+def validate_email(str):
+    if not str:
+        return False
+    else:
+        if re.search("[A-Za-z0-9_.]+@[A-Za-z0-9]+\\.[A-Za-z]{2,5}$",str) != None:
+            return True
+        else:
+            return False
+#print validate_email("mkyong@gmail.com.1a")
diff --git a/build.pyc b/build.pyc
new file mode 100644
index 0000000..8e2479a
Binary files /dev/null and b/build.pyc differ
diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..5d5020d
Binary files /dev/null and b/tests/__init__.pyc differ
diff --git a/tests/test_validate_email.pyc b/tests/test_validate_email.pyc
new file mode 100644
index 0000000..b891001
Binary files /dev/null and b/tests/test_validate_email.pyc differ