Allow domain with one digit at the beginning or between two dots

This should fix python-validators#95
marmeladema · Feb 24, 2019 · 2ddf857 · 2ddf857
1 parent 359653a
commit 2ddf857
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/tests/test_domain.py b/tests/test_domain.py
@@ -10,7 +10,11 @@
     'underscore_subdomain.example.com',
     'something.versicherung',
     '11.com',
-    'somerandomexample.xn--fiqs8s'
+    'somerandomexample.xn--fiqs8s',
+    'ktbooks.1.v77.faidns.com',
+    'us.2.cqcounter.com',
+    'ms127.0.0.101341.club',
+    '1.adbrite.com',
 ])
 def test_returns_true_on_valid_domain(value):
     assert domain(value)

diff --git a/validators/domain.py b/validators/domain.py
@@ -3,7 +3,7 @@
 from .utils import validator
 
 pattern = re.compile(
-    r'^(:?(([a-zA-Z]{1})|([a-zA-Z]{1}[a-zA-Z]{1})|'  # domain pt.1
+    r'^(:?(([a-zA-Z0-9]{1})|([a-zA-Z]{1}[a-zA-Z]{1})|'  # domain pt.1
     r'([a-zA-Z]{1}[0-9]{1})|([0-9]{1}[a-zA-Z]{1})|'  # domain pt.2
     r'([a-zA-Z0-9][-_a-zA-Z0-9]{0,61}[a-zA-Z0-9]))\.)+'  # domain pt.3
     r'([a-zA-Z]{2,13}|(xn--[a-zA-Z0-9]{2,30}))$'  # TLD