params:
  name:
    name: '名前'
    validators:
      - String#max_length:
          max: 30
  name_length:
    name: '名前_length'
    validators:
      - String#length:
          length: 30
  name_between_length:
    name: '名前_between_length'
    validators:
      - String#between_length:
          min: 30
          max: 50
  alnum:
    name: 'alnumキー'
    validators:
      - String#alpha_num
  ascii:
    name: 'asciiキー'
    validators:
      - String#ascii
  in:
    name: 'inキー'
    validators:
      - String#in:
          list:
            - abc
            - cde
  no_break:
    name: 'no_breakキー'
    validators:
      - String#no_break