nl_tokens: Parse rule codes .
pl_tokens: function ruleCodes ( flags , value ) { var flag = flags . FLAG var result = [ ] var length var index if ( ! value ) { return result } if ( flag === 'long' ) { index = 0 length = value . length while ( index < length ) { result . push ( value . substr ( index , 2 ) ) index += 2 } return result } return <mask> . split ( flag === 'num' ? ',' : '' ) }