From 89655373d4149a33c298c58aa1511168d6e86397 Mon Sep 17 00:00:00 2001
From: topilski <atopilski@gmail.com>
Date: Tue, 30 Jan 2018 11:49:59 +0300
Subject: [PATCH] is_valid_email

---
 base/utils.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/base/utils.py b/base/utils.py
index 70d67be..21d70ab 100644
--- a/base/utils.py
+++ b/base/utils.py
@@ -33,6 +33,13 @@ class CompileInfo(object):
         self.flags_.extend(other_args)
 
 
+def is_valid_email(email: str) -> bool:
+    if not re.match('[^@]+@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', email):
+        return False
+
+    return True
+
+
 def read_file_line_by_line_to_list(file) -> list:
     if not os.path.exists(file):
         raise BuildError('file path: {0} not exists'.format(file))