Add an environment slug

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/gitlab/regex.rb b/lib/gitlab/regex.rb
index 7c711d581e8..9e0b0e5ea98 100644
--- a/lib/gitlab/regex.rb
+++ b/lib/gitlab/regex.rb
@@ -131,5 +131,14 @@ module Gitlab
     def kubernetes_namespace_regex_message
       "can contain only letters, digits or '-', and cannot start or end with '-'"
     end
+
+    def environment_slug_regex
+      @environment_slug_regex ||= /\A[a-z]([a-z0-9-]*[a-z0-9])?\z/.freeze
+    end
+
+    def environment_slug_regex_message
+      "can contain only lowercase letters, digits, and '-'. " \
+      "Must start with a letter, and cannot end with '-'"
+    end
   end
 end