diff options
Diffstat (limited to 'django')
| -rw-r--r-- | django/core/validators.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/django/core/validators.py b/django/core/validators.py index 5e6265e507..28e1ed5403 100644 --- a/django/core/validators.py +++ b/django/core/validators.py @@ -86,7 +86,14 @@ class URLValidator(RegexValidator): hostname_re = r'[a-z' + ul + r'0-9](?:[a-z' + ul + r'0-9-]{0,61}[a-z' + ul + r'0-9])?' # Max length for domain name labels is 63 characters per RFC 1034 sec. 3.1 domain_re = r'(?:\.(?!-)[a-z' + ul + r'0-9-]{1,63}(?<!-))*' - tld_re = r'\.(?:[a-z' + ul + r']{2,63}|xn--[a-z0-9]{1,59})\.?' + tld_re = ( + '\.' # dot + '(?!-)' # can't start with a dash + '(?:[a-z' + ul + '-]{2,63}' # domain label + '|xn--[a-z0-9]{1,59})' # or punycode label + '(?<!-)' # can't end with a dash + '\.?' # may have a trailing dot + ) host_re = '(' + hostname_re + domain_re + tld_re + '|localhost)' regex = _lazy_re_compile( |