Make CI refs matching to to use UntrustedRegexp

This makes ref validation to use always `UntrustedRegexp`.
This also splits the existing RubySyntax into separate
class.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
index d7e6dacf068..2b719c9c6fc 100644
--- a/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
+++ b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb
@@ -13,13 +13,13 @@ module Gitlab
             def initialize(regexp)
               @value = regexp
 
-              unless Gitlab::UntrustedRegexp.valid?(@value)
+              unless Gitlab::UntrustedRegexp::RubySyntax.valid?(@value)
                 raise Lexer::SyntaxError, 'Invalid regular expression!'
               end
             end
 
             def evaluate(variables = {})
-              Gitlab::UntrustedRegexp.fabricate(@value)
+              Gitlab::UntrustedRegexp::RubySyntax.fabricate!(@value)
             rescue RegexpError
               raise Expression::RuntimeError, 'Invalid regular expression!'
             end