1 files changed, 4 insertions, 0 deletions
diff --git a/lib/gitlab/regex.rb b/lib/gitlab/regex.rb
index b0f4194b7a0..0534f890152 100644
--- a/lib/gitlab/regex.rb
+++ b/lib/gitlab/regex.rb
@@ -486,6 +486,10 @@ module Gitlab
     def sep_by_1(separator, part)
       %r(#{part} (#{separator} #{part})*)x
     end
+
+    def x509_subject_key_identifier_regex
+      @x509_subject_key_identifier_regex ||= /\A(?:\h{2}:)*\h{2}\z/.freeze
+    end
   end
 end