输入框限制、验证规则总结

formatter(val){
  val = val.replace(/[^0-9]/g,'');
  val = val.substr(0, 11);
  return val;
}

formatter(val){
  val = val.replace(/[\W]/g,'');
  val = val.substr(0, 16);
  return val;
}

formatter(val){
  val = val.replace(/[^\d.]/g,'').replace(/^\./g,'').replace(/\.{2,}/g,'.').replace('.','$#$').replace(/\./g,'').replace('$#$','.');
  if(val.split('.')[1]){
    val = `${val.split('.')[0]}.${val.split('.')[1].substr(0,2)}`;
  }
  return val;
}

formatter(val){
  val = val.replace(/[^\d]/g,'');
  return val;
}

pattern: '^[1][3,4,5,6,7,8,9][0-9]{9}$',

pattern: '^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,16}$',