Magento 2 - Form Validation

Question

is there a overview for the new form validation attributes in Magento 2?

Siarhey Uchukhlebau · Accepted Answer · 2016-07-27 11:54:58Z

You can add class for validation in Magento 2. See example bellow. There is almost 72 rules (validation class) you can use:

$fieldset->addField(
    'email_from',
    'text',
    ['name' => 'email_from', 'label' => __('Email From'), 'title' => __('Email From'), 'required' => true, 'class' => 'validate-email']
);

See blog for list of available rules for more info:

Here is list of validations classes rules supported by magento 2. You just need to add css class for the rule to apply.

min_text_length
max_text_length
max-words
min-words
range-words
letters-with-basic-punc
alphanumeric
letters-only
no-whitespace
zip-range
integer
vinUS
dateITA
dateNL
time
time12h
phoneUS
phoneUK
mobileUK
stripped-min-length
email2
url2
credit-card-types
ipv4
ipv6
pattern
validate-no-html-tags
validate-select
validate-no-empty
validate-alphanum-with-spaces
validate-data
validate-street
validate-phoneStrict
validate-phoneLax
validate-fax
validate-email
validate-emailSender
validate-password
validate-admin-password
validate-url
validate-clean-url
validate-xml-identifier
validate-ssn
validate-zip-us
validate-date-au
validate-currency-dollar
validate-not-negative-number
validate-zero-or-greater
validate-greater-than-zero
validate-css-length
validate-number
validate-number-range
validate-digits
validate-digits-range
validate-range
validate-alpha
validate-code
validate-alphanum
validate-date
validate-identifier
validate-zip-international
validate-state
less-than-equals-to
greater-than-equals-to
validate-emails
validate-cc-number
validate-cc-ukss
required-entry
checked
not-negative-amount
validate-per-page-value-list
validate-new-password
validate-item-quantity
equalTo

is there any example how to use pattern? tnx – Antonio Pedicini Sep 27 '17 at 8:53 — Antonio Pedicini, Sep 27 '17 at 8:53

Vaibhav Ahalpara · Accepted Answer · 2017-12-28 05:13:09Z

There are 3 different ways to use form validation in magento 2

To enable javascript validation use following code in your template

<form class="form" id="custom-form" method="post" autocomplete="off">
 <fieldset class="fieldset">
     <legend class="legend"><span><?php echo __('Personal Information') ?></span></legend><br>
      <div class="field required">
          <label for="email_address" class="label"><span><?php echo __('Email') ?></span></label>
          <div class="control">
              <input type="email" name="email" id="email_address" value="" title="<?php echo __('Email') ?>" class="input-text" data-validate="{required:true, 'validate-email':true}">
          </div>
      </div>
 </fieldset>
 <div class="actions-toolbar">
      <div class="primary">
          <button type="submit" class="action submit primary" title="<?php  echo __('Submit') ?>"><span><?php echo __('Submit') ?></span></button>
      </div>
  </div>
</form>

1

<script type="text/x-magento-init">
    {
        "#custom-form": {
            "validation": {}
        }
    }
</script>

2

<form data-mage-init='{"validation": {}}' class="form" id="custom-form" method="post" autocomplete="off">

3

<script type="text/javascript">
require([
    'jquery',
    'mage/mage'
], function($){

   var dataForm = $('#custom-form');
   dataForm.mage('validation', {});

});
</script>

*custom-form is form id you can replace it with your form id

List of form validation rules

To wrap up this article, a list of validation rule names is provided here as a quick reference toward the official documentation:

Magento rules:

validate-no-html-tags

validate-select

validate-no-empty

validate-alphanum-with-spaces

validate-data

validate-street

validate-phoneStrict

validate-phoneLax

validate-fax

validate-email

validate-emailSender

validate-password

validate-admin-password

validate-customer-password

validate-url

validate-clean-url

validate-xml-identifier

validate-ssn

validate-zip-us

validate-date-au

validate-currency-dollar

validate-not-negative-number

validate-zero-or-greater

validate-greater-than-zero

validate-css-length

validate-number

required-number

validate-number-range

validate-digits

validate-digits-range

validate-range

validate-alpha

validate-code

validate-alphanum

validate-date

validate-date-range

validate-cpassword

validate-identifier

validate-zip-international

validate-one-required

validate-state

required-file

validate-ajax-error

validate-optional-datetime

validate-required-datetime

validate-one-required-by-name

less-than-equals-to

greater-than-equals-to

validate-emails

validate-cc-type-select

validate-cc-number

validate-cc-type

validate-cc-exp

validate-cc-cvn

validate-cc-ukss

validate-length

required-entry

not-negative-amount

validate-per-page-value-list

validate-per-page-value

validate-new-password

required-if-not-specified

required-if-all-sku-empty-and-file-not-loaded

required-if-specified

required-number-if-specified

datetime-validation

required-text-swatch-entry

required-visual-swatch-entry

required-dropdown-attribute-entry

Validate-item-quantity

validate-grouped-qty

validate-one-checkbox-required-by-name

validate-date-between

validate-dob

max-words

min-words

range-words

letters-with-basic-punc

alphanumeric

letters-only

no-whitespace

zip-range

integer

vinUS

dateITA

dateNL

time

time12h

phoneUS

phoneUK

mobileUK

stripped-min-length

email2

url2

credit-card-types

ipv4

ipv6

pattern

allow-container-className

jQuery rules:

required,

remote,

email,

url,

date,

dateISO,

number,

digits,

creditcard,

equalTo,

maxlength,

minlength,

rangelength,

range,

max,

min

refer http://inchoo.net/magento-2/validate-custom-form-in-magento-2/

I want to apply server side validation in magento 2can you pls share me any link or doc, — Khushbu_sipl, Feb 20 '17 at 10:10
I think you already asked question here magento.stackexchange.com/questions/161300/… May this link help other — Vaibhav Ahalpara, Oct 12 '17 at 6:26

Kirby · Accepted Answer · 2017-10-02 13:04:40Z

In UI components it can be used by following sample config (Magento v2.2.0):

<form xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
    <fieldset name="general">
        <field name="priority" sortOrder="1000" formElement="input">
            <settings>
                <validation>
                    <rule name="not-negative-amount" xsi:type="boolean">true</rule>
                </validation>
                [...]
            </settings>
        </field>
    </fieldset>
</form>

See more examples in file:
vendor/magento/module-cms/view/adminhtml/ui_component/cms_page_form.xml

The validators list in UI Components it can be found in
vendor/magento/module-ui/view/base/web/js/lib/validation/rules.js.

Just wrote this script to grab all keys with error messages for explanation:

required-entry:
This is a required field.
validate-alphanum-with-spaces:
Please use only letters (a-z or A-Z), numbers (0-9) or spaces only in this field.
phoneUK:
Please specify a valid phone number
validate-email:
Please enter a valid email address (Ex: johndoe@domain.com).
ipv4:
Please enter a valid IP v4 address.
checked:
This is a required field.
validate-select:
Please select an option.
ipv6:
Please enter a valid IP v6 address.
time:
Please enter a valid time, between 00:00 and 23:59
validate-number:
Please enter a valid number in this field.
validate-phoneLax:
Please enter a valid phone number. For example (123) 456-7890 or 123-456-7890.
dateITA:
Please enter a correct date
validate-xml-identifier:
Please enter a valid XML-identifier (Ex: something_1, block5, id-4).
validate-clean-url:
Please enter a valid URL. For example http://www.example.com or www.example.com.
validate-admin-password:
Please enter 7 or more characters, using both numeric and alphabetic.
validate-no-html-tags:
HTML tags are not allowed.
validate-integer:
Please enter a valid integer in this field.
validate-data:
Please use only letters (a-z or A-Z), numbers (0-9) or underscore (_) in this field, and the first character should be a letter.
validate-cc-ukss:
Please enter issue number or start date for switch/solo card type.
min-words:
Please enter at least {0} words.
alphanumeric:
Letters, numbers, spaces or underscores only please
validate-identifier:
Please enter a valid URL Key (Ex: "example-page", "example-page.html" or "anotherlevel/example-page").
validate-street:
Please use only letters (a-z or A-Z), numbers (0-9), spaces and "#" in this field.
validate-zip-international:
Please enter a valid zip code.
validate-date:
Please enter a valid date.
validate-greater-than-zero:
Please enter a number greater than 0 in this field.
validate-digits:
Please enter a valid number in this field.
validate-ssn:
Please enter a valid social security number (Ex: 123-45-6789).
not-negative-amount:
Please enter positive number in this field.
validate-max-size:
File you are trying to upload exceeds maximum file size limit.
validate-fax:
Please enter a valid fax number (Ex: 123-456-7890).
validate-if-tag-script-exist:
Please use tag SCRIPT with SRC attribute or with proper content to include JavaScript to the document.
min_text_length:
Please enter more or equal than {0} symbols.
validate-date-au:
Please use this date format: dd/mm/yyyy. For example 17/03/2006 for the 17th of March, 2006.
mobileUK:
Please specify a valid mobile number
letters-with-basic-punc:
Letters or punctuation only please
validate-number-range:
The value is not within the specified range.
phoneUS:
Please specify a valid phone number
date_range_max:
The date is not within the specified range.
validate-range:
The value is not within the specified range.
vinUS:
The specified vehicle identification number (VIN) is invalid.
range-words:
Please enter between {0} and {1} words.
validate-zip-us:
Please enter a valid zip code (Ex: 90602 or 90602-1234).
validate-emails:
Please enter valid email addresses, separated by commas. For example, johndoe@domain.com, johnsmith@domain.com.
validate-css-length:
Please input a valid CSS-length (Ex: 100px, 77pt, 20em, .5ex or 50%).
zip-range:
Your ZIP-code must be in the range 902xx-xxxx to 905-xx-xxxx
validate-phoneStrict:
Please enter a valid phone number. For example (123) 456-7890 or 123-456-7890.
dateNL:
Vul hier een geldige datum in.
letters-only:
Letters only please
max_text_length:
Please enter less or equal than {0} symbols.
validate-not-negative-number:
Please enter a number 0 or greater in this field.
validate-per-page-value-list:
Please enter a valid value, ex: 10,20,30
no-whitespace:
No white space please
validate-state:
Please select State/Province.
validate-url:
Please enter a valid URL. Protocol is required (http://, https:// or ftp://).
date_range_min:
The date is not within the specified range.
validate-digits-range:
The value is not within the specified range.
greater-than-equals-to:
Please enter a value greater than or equal to {0}.
validate-no-empty:
Empty Value.
validate-zero-or-greater:
Please enter a number 0 or greater in this field.
validate-cc-number:
Please enter a valid credit card number.
validate-emailSender:
Please enter a valid email address (Ex: johndoe@domain.com).
validate-new-password:
Please enter 6 or more characters. Leading and trailing spaces will be ignored.
validate-customer-password:
Minimum length of this field must be equal or greater than %1 symbols. Leading and trailing spaces will be ignored.
validate-password:
Please enter 6 or more characters. Leading and trailing spaces will be ignored.
less-than-equals-to:
Please enter a value less than or equal to {0}.
validate-currency-dollar:
Please enter a valid $ amount. For example $100.00.
time12h:
Please enter a valid time, between 00:00 am and 12:00 pm
validate-alphanum:
Please use only letters (a-z or A-Z) or numbers (0-9) in this field. No spaces or other characters are allowed.
validate-item-quantity:
We don\'t recognize or support this file extension type.
validate-code:
Please use only letters (a-z), numbers (0-9) or underscore (_) in this field, and the first character should be a letter.
email2:
Please enter a valid credit card number.
max-words:
Please enter {0} words or less.
stripped-min-length:
Please enter at least {0} characters
validate-alpha:
Please use letters only (a-z or A-Z) in this field.
pattern:
Invalid format.
integer:
A positive or negative non-decimal number please

The script:

declare -A list
key=''
while IFS= read -r line; do
#  echo "${line} -"
  if [ -z "${key:-}" ]; then
    # match validation key
    match=$(echo "${line}" | grep -Eo "^        ['\"]([A-Za-z0-9-]|_)+" | tr -d "' ")
    if [ -n "${match}" ]; then
      key=${match}
    fi
  else
    # match message
    match=$(echo "${line}" | sed -rn "s|.*\\$\.mage\.__[(]['\"](.*)['\"][)].*|\1|p")
    if [ -n "${match}" ]; then
      list[${key}]=${match}
      key=''
    fi
  fi
done < "${DOCROOT_DIR:-/var/www/html}/vendor/magento/module-ui/view/base/web/js/lib/validation/rules.js"

for i in "${!list[@]}"
do
  printf "%s:\n    %s\n" "${i}" "${list[$i]}"
done

MagePsycho · Accepted Answer · 2016-07-03 06:14:23Z

If you take reference of /customer/account/create page, you can see the following piece of code underneath the form:

<script>
require([
    'jquery',
    'mage/mage'
], function($){

    var dataForm = $('#form-validate');
    var ignore = null;

    dataForm.mage('validation', {
            ignore: ignore ? ':hidden:not(' + ignore + ')' : ':hidden'
        }).find('input:text').attr('autocomplete', 'off');

});
</script>

And if you check at form's input attributes, you can see Magento 1 like class attribute values along with new data-validate attribute. This can be the basis to step up.

Keys files for Validation:

Thx for the answer. I found the new attribute data-validate too, but it's interesting what validations are available. In my case I want to validate a Checkbox and a set of RadioButton — ClassMP, Dec 28 '15 at 10:13
I want to apply server side validation in magento 2 can you pls share me any link or doc. — Khushbu_sipl, Feb 20 '17 at 10:08

Dhaval Dave · Accepted Answer · 2017-09-05 10:40:25Z

I have same requirement for Magento2 Form Validation and i did this code

First we will setup a test form

<!-- form tag -->
<form class="form" id="custom-form-id" method="post" autocomplete="off">
   <fieldset class="fieldset">
       <legend class="legend"><span><?php echo __('User Personal Information') ?></span></legend><br>
        <div class="field required">
            <!-- form field -->
            <label for="email_address" class="label"><span><?php echo __('Email') ?></span></label>
            <div class="control">
                <input type="email" name="email" id="email_address" value="" title="<?php echo __('Email') ?>" class="input-text" data-validate="{required:true, 'validate-email':true}">
            </div>
        </div>
   </fieldset>
   <!-- submit button -->
   <div class="actions-toolbar">
        <div class="primary">
            <button type="submit" class="action submit primary" title="<?php  echo __('Submit') ?>"><span><?php echo __('Submit') ?></span></button>
        </div>
    </div>
</form>

To enable javascript validation for Magento2 Form Validation

<!-- enable javascript validation for custom-form-id -->
<script type="text/x-magento-init">
    {
        "#custom-form-id": {
            "validation": {}
        }
    }
</script>

Reference :: http://www.onlinecode.org/magento2-form-validation-example/

Key Shang · Accepted Answer · 2017-12-06 08:30:48Z

When use UI components to make form, we could use the validation like below, it works in Magento 2.1.x, I doesn't test it in other version yet.

<field name="priority">
    <argument name="data" xsi:type="array">
        <item name="config" xsi:type="array">
            <item name="dataType" xsi:type="string">text</item>
            <item name="label" xsi:type="string" translate="true">Priority</item>
            <item name="formElement" xsi:type="string">input</item>
            <item name="source" xsi:type="string">module_name</item>
            <item name="dataScope" xsi:type="string">priority</item>
            <item name="validation" xsi:type="array">
                <item name="required-entry" xsi:type="boolean">true</item>
                <item name="validate-integer" xsi:type="boolean">true</item>
            </item>
        </item>
    </argument>
</field>

Notice the validation item, in it we could add validation rules, like required-entry, validate-integer etc.

<item name="validation" xsi:type="array">
     <item name="required-entry" xsi:type="boolean">true</item>
     <item name="validate-integer" xsi:type="boolean">true</item>
     <item name="validation_rule_name" xsi:type="boolean">true</item>
     ...
</item>

All validation rules you could find in file vendor/magento/module-ui/view/base/web/js/lib/validation/rules.js, like validate-date, validate-emails etc.

Stanislav Spuzyak · Accepted Answer · 2018-06-20 15:51:48Z

0

"no-whitespace" option does not work correctly (at least on Magento 2.1). It triggers an error message on any type of "space" character. Values "test me" and " test me " will return the same error.

answered Jun 20 '18 at 15:51

Stanislav Spuzyak

136 bronze badges

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