# File lib/cgikit.rb, line 4964
                def operator_symbol( string )
                        case string.upcase
                        when '==' then EQUAL
                        when '!=' then NOT_EQUAL
                        when '>'  then GREATER
                        when '>=' then GREATER_OR_EQUAL
                        when '<'  then LESS
                        when '<=' then LESS_OR_EQUAL
                        when '=~' then MATCH
                        end
                end