patch: supported extended latin in username

src/validators/email.py

@@ -84,10 +84,12 @@ def email(
             )
         )
         if re.match(
+            # extended latin
+            r"(^[\u0100-\u017F\u0180-\u024F]"
             # dot-atom
-            r"(^[-!#$%&'*+/=?^_`{}|~0-9a-z]+(\.[-!#$%&'*+/=?^_`{}|~0-9a-z]+)*$"
+            + r"|[-!#$%&'*+/=?^_`{}|~0-9a-z]+(\.[-!#$%&'*+/=?^_`{}|~0-9a-z]+)*$"
             # quoted-string
-            + r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"$)',
+            + r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\011.])*"$)',
             username_part,
             re.IGNORECASE,
         )

src/validators/url.py

@@ -13,10 +13,12 @@
 @lru_cache
 def _username_regex():
     return re.compile(
+        # extended latin
+        r"(^[\u0100-\u017F\u0180-\u024F]"
         # dot-atom
-        r"(^[-!#$%&'*+/=?^_`{}|~0-9a-z]+(\.[-!#$%&'*+/=?^_`{}|~0-9a-z]+)*$"
+        + r"|[-!#$%&'*+/=?^_`{}|~0-9a-z]+(\.[-!#$%&'*+/=?^_`{}|~0-9a-z]+)*$"
         # non-quoted-string
-        + r"|^([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*$)",
+        + r"|^([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\011.])*$)",
         re.IGNORECASE,
     )
 

tests/test_email.py

@@ -17,6 +17,8 @@
         ("[email protected]",),
         ("[email protected].उदाहरण.परीक्षा",),
         ("[email protected]",),
+        ("Łókaść@email.com",),
+        ("łemł[email protected]",),
         ("[email protected]",),
         ('"\\\011"@here.com',),
     ],