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-rwxr-xr-xsrc/validators/fqdn5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/validators/fqdn b/src/validators/fqdn
index 66276c093..a4027e4ca 100755
--- a/src/validators/fqdn
+++ b/src/validators/fqdn
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2020 VyOS maintainers and contributors
+# Copyright (C) 2020-2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -17,8 +17,7 @@
import re
import sys
-# pattern copied from: https://www.regextester.com/103452
-pattern = "(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.)+[a-zA-Z]{2,63}$)"
+pattern = '[A-Za-z0-9][-.A-Za-z0-9]*'
if __name__ == '__main__':
if len(sys.argv) != 2: