How to add validation on custom textbox field on checkout page Magento 2.2

Question

I added custom field in shipping method division on checkout page.

But i want to add validation on it.

So, how to add validations required and numeric to that field.

• Dharmendra Jadav: Could you please provide more detail. how you added input field on checkout page .

Answer 1

<form class="" action="" id="" method="" data-hasrequired="* Required Fields">
 <fieldset class="">
 <div class="">
 <label class="" for="field1"><span>Field 1 (using data-validate)</span></label>
 <div class="control">
 <input name="field1" id="field1" title="Field 1" value="" class="input-text" type="text" data-validate="{'validate-number':true}" />
 </div>
 </div>

Hope so this may help you,

there is some rule in Magento to validate input field that rules the state in "data-validate" attribute in field tag. You can validate the field for may restriction using this attribute. search for other validation rules, there are about 99 rules