function toSneakCase(string) {
  let result = ''
  string.split('')
  .forEach((value, i) => {
    if(!value.search(/[A-Z]/) && !!i &&
    result[result.lenght -1].search(/[a-z]/)) {
      result += `_${value.toLowerCase()}`;
    } else {
      result += value.toLowerCase()
    }
  })
  return result
}