How to add custom validation for admin form in Magento 2?

Question

I want to add custom validation in the text box in Magento 2.
How I can do it?

you can find _prepareToRender function and find column then add 'class' => 'validate-number validate-digits validate-greater-than-zero' — Rakesh Donga, Commented Mar 14, 2019 at 11:54
check this answer, magento.stackexchange.com/questions/95171/… — Anand Ontigeri, Commented Mar 14, 2019 at 11:57
You can do it with the help of jquery. Please refer to the following link magento.stackexchange.com/questions/87984/… — surbhi agr, Commented Mar 14, 2019 at 12:24

Anand Ontigeri · Accepted Answer · 2019-03-14 12:28:13Z

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answered Mar 14, 2019 at 12:01

Anand Ontigeri

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Msquare · Accepted Answer · 2023-07-30 09:25:48Z

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Please use this in your form field.

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

answered Jul 30, 2023 at 9:25

Msquare

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2 Answers 2