allowing for _ in domains

This commit is contained in:
alwaysjolley
2020-06-03 13:20:23 -04:00
parent 1b8507636b
commit 1bcc9d5d0d
2 changed files with 2 additions and 2 deletions

View File

@ -35,7 +35,7 @@ def is_valid_domain(domain):
domain = domain[:-1]
if len(domain) > 253:
return False
fqdn_re = re.compile("(?=^.{1,63}$)(^(?:[a-z0-9](?:-*[a-z0-9])+)$|^[a-z0-9]$)", re.IGNORECASE)
fqdn_re = re.compile("(?=^.{1,63}$)(^(?:[a-z0-9_](?:-*[a-z0-9_])+)$|^[a-z0-9]$)", re.IGNORECASE)
return all(fqdn_re.match(d) for d in domain.split("."))