How to add a custom Zipcode validator in checkout page Magento 2
In Magento 2, it’s not difficult to customize zip code validation and or add a custom zipcode validator on the checkout page.
Magento uses Regular Expression (re
) to check whether the entered zipcode/postcode is correct.
In this article, we will add our own expression to validate the zipcode
.
In Magento default, all patterns are defined in this file:
vendor/magento/module-directory/etc/zip_codes.xml
To add your pattern, or customize zip code validation on the checkout page to suit a specific country, create a new zip_codes.xml
inside your own module
Here’s an example:
I choose NL (Dutch language) and add the zip_codes.xml
to Mageplaza\HelloWorld\etc
folder
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Directory:etc/zip_codes.xsd">
<zip countryCode="NL">
<codes>
<code id="pattern_1" active="true" example="1234 AB">^[0-9]{4}\s[a-zA-Z]{2}$</code>
<code id="pattern_2" active="true" example="1234AB">^[0-9]{4}\s?[a-zA-Z]{2}$</code>
</codes>
</zip>
</config>
The pattern_2 is quite similar to the first one, except that it allows users to enter space character.
I leave 2 patterns there so that you can see the difference, when apply to your store, you can remove the first pattern, pattern_2 still covers cases from pattern_1.
Now time to flush cache and test your result. You will no longer see this warning
That’s how you can add a custom zip code validator in the Magento 2 checkout page. I hope you have found a helpful tutorial
If you have any issue, feel free to leave a comment below, Mageplaza and Magento community are willing to help.
Thanks for reading!
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