1 files changed, 5 insertions, 1 deletions
diff --git a/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
index 0212fa9d661..514241e8ae2 100644
--- a/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
+++ b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
@@ -11,7 +11,7 @@ module Gitlab
             PATTERN = %r{^\/([^\/]|\\/)+[^\\]\/[ismU]*}.freeze
 
             def initialize(regexp)
-              @value = regexp.gsub(/\\\//, '/')
+              super(regexp.gsub(/\\\//, '/'))
 
               unless Gitlab::UntrustedRegexp::RubySyntax.valid?(@value)
                 raise Lexer::SyntaxError, 'Invalid regular expression!'
@@ -24,6 +24,10 @@ module Gitlab
               raise Expression::RuntimeError, 'Invalid regular expression!'
             end
 
+            def inspect
+              "/#{value}/"
+            end
+
             def self.pattern
               PATTERN
             end