module Gitlab module Ci module Pipeline module Expression module Lexeme require_dependency 're2' class Pattern < Lexeme::Value PATTERN = %r{^/.+/[ismU]*$}.freeze def initialize(regexp) @value = regexp unless Gitlab::UntrustedRegexp.valid?(@value) raise Lexer::SyntaxError, 'Invalid regular expression!' end end def evaluate(variables = {}) Gitlab::UntrustedRegexp.fabricate(@value) rescue RegexpError raise Expression::RuntimeError, 'Invalid regular expression!' end def self.build(string) new(string) end end end end end end end