Social security number pattern for Caldera Forms single line text fields

cf-caldera_forms_field_attributes-ssn-pattern.php

<?php
/*
 * Validates fields only using a Social security number pattern like 999-99-999
 * EDIT FIELDS IDS TO BE VALIDATED "fld_5675945", "fld_1648505"
 */
add_filter( 'caldera_forms_field_attributes', function( $attrs, $field, $form ){
	$fields = ["fld_5675945", "fld_1648505"];
	if( in_array( $field['ID'], $fields ) ){
		$attrs[ 'pattern' ] = '^\d{3}-\d{2}-\d{4}';
	}
	return $attrs;
}, 20, 3 );