move_regexp

# File actionpack/lib/action_dispatch/journey/gtg/transition_table.rb, line 143
          def move_regexp(t, a)
            return [] if t.empty?

            t.map { |s|
              if states = @regexp_states[s]
                states.map { |re, v| re === a ? v : nil }
              end
            }.flatten.compact.uniq
          end