en.json

{
  "form.errors.absence": "must be blank",
  "form.errors.acceptance": "must be accepted",
  "form.errors.confirmation": "doesn't match `{fieldLabel}`",
  "form.errors.dateFormat": "expected format: {format}",
  "form.errors.dateInvalid": "is not a valid date",
  "form.errors.dateRange": "shoud be {op} {date}",
  "form.errors.email": "is not a valid email",
  "form.errors.equalTo": "must be equal to {count, number}",
  "form.errors.even": "must be even",
  "form.errors.exclusion": "is reserved",
  "form.errors.file": "is not a file",
  "form.errors.fileAccept": "invalid file {count, plural, one {type} other {types ({count})}}",
  "form.errors.fileTooBig": "{count, plural, one {is} other {{count} files are}} too small (maximum is {count, plural, one {{size}} other {{size} each}})",
  "form.errors.fileTooFew": "invalid number of files (minimum is {count})",
  "form.errors.fileTooMany": "invalid number of files (maximum is {count})",
  "form.errors.fileTooSmall": "{count, plural, one {is} other {{count} files are}} too small (minimum is {count, plural, one {{size}} other {{size} each}})",
  "form.errors.greaterThan": "must be greater than {count, number}",
  "form.errors.greaterThanOrEqualTo": "must be greater than or equal to {count, number}",
  "form.errors.inclusion": "is not included in the list",
  "form.errors.invalid": "is invalid",
  "form.errors.lessThan": "must be less than {count, number}",
  "form.errors.lessThanOrEqualTo": "must be less than or equal to {count, number}",
  "form.errors.notANumber": "is not a number",
  "form.errors.odd": "must be odd",
  "form.errors.otherThan": "must be other than {count, number}",
  "form.errors.presence": "is required",
  "form.errors.tooLong": "is too long (maximum is {count, number} {count, plural, one {character} other {characters}})",
  "form.errors.tooShort": "is too short (minimum is {count, number} {count, plural, one {character} other {characters}})",
  "form.errors.tooYoung": "Sorry, you must be at least 18 years old",
  "form.errors.url": "is not a valid URL",
  "form.errors.wrongLength": "is the wrong length (should be {count, number} {count, plural, one {character} other {characters}})"
}